Ionic and Molecular Compound Naming Quiz

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Questions and Answers

What is the charge on a lithium ion in its ionic compound?

+1 (correct)

-1

Which of the following compounds contains a beryllium ion?

Li2O

BaO

MgS

BeCl2 (correct)

What is the correct name for the compound represented by Al3+?

aluminum ion (correct)

aluminum(III) ion

aluminum(II) ion

tri-aluminum ion

Which of the following is the correct formula for titanium(IV) oxide?

TiO2 Signup and view all the answers

What is the identity of ion X in the compound XCl2, where ion X contains 20 electrons?

Ti2+ Signup and view all the answers

What is the correct statement regarding the naming of ionic compounds?

The cation is always named first. Signup and view all the answers

Which of the following chemical formulas represents a binary compound?

H2S Signup and view all the answers

How should LiCl be correctly named?

Lithium chloride Signup and view all the answers

Which of the following is the proper name for the ion represented as Hg2+?

Mercury(I) ion Signup and view all the answers

What is the correct name for the compound FeO?

Iron(II) oxide Signup and view all the answers

What is the correct name for the compound PCl3?

phosphorus trichloride Signup and view all the answers

Which of the following formulas correctly represents the compound silicon tetrachloride?

SiCl4 Signup and view all the answers

What is the name of the ion with the formula CrO4^2-?

chromate Signup and view all the answers

What is the correct formula for ammonium sulfate?

(NH4)2SO4 Signup and view all the answers

Which name corresponds to the compound NH4BrO?

ammonium hypobromite Signup and view all the answers

What is the correct formula for the compound formed from ammonium and sulfate ions?

(NH4)2SO4 Signup and view all the answers

Which ion is correctly matched with its name?

ClO– : hypochlorite Signup and view all the answers

What is the name of the acid HClO4 when in aqueous solution?

perchloric acid Signup and view all the answers

Which of the following correctly represents the name of the ClO2– ion?

chlorite Signup and view all the answers

What is the correct name for the aqueous solution of H3PO4?

phosphoric acid Signup and view all the answers

What is the correct name for the compound Sn(NO3)2?

tin(II) nitrate Signup and view all the answers

Identify the incorrect name for an acid from the following options.

hydrocarbonate acid Signup and view all the answers

Which of the following accurately represents the name for HCN in solution?

hydrocyanic acid Signup and view all the answers

What is the correct name for an aqueous solution of H2SO4?

sulfuric acid Signup and view all the answers

Which of the following is the name for the ion ClO4–?

perchlorate ion Signup and view all the answers

What is the correct formula for sodium carbonate?

Na2CO3 Signup and view all the answers

Which ion is represented by the formula ClO3–?

Chlorate ion Signup and view all the answers

What is the name for the ion with the formula BrO4–?

Perbromate ion Signup and view all the answers

Which formula correctly represents the compound formed from NH4+ and PO4 3-?

(NH4)3PO4 Signup and view all the answers

Which naming convention is incorrectly applied?

Fe(OH)2; iron(III) hydroxide Signup and view all the answers

What is the correct name for the acid HNO2?

Nitrous acid Signup and view all the answers

Which of the following represents the correct formula for bromic acid?

HBrO3(aq) Signup and view all the answers

Which of the following compounds is identified correctly as an acid?

H2SO4(aq) Signup and view all the answers

Identify the compound that is NOT named as an acid from the options given.

NH4Cl Signup and view all the answers

What is the correct name for the compound with the formula HClO3(aq)?

Chloric acid Signup and view all the answers

What is the correct name for the ionic compound MnBr2?

manganese(II) bromide Signup and view all the answers

Which of the following correctly names the compound NaHCO3?

sodium hydrogen carbonate Signup and view all the answers

What is the proper name for the compound Al(OH)3?

aluminum hydroxide Signup and view all the answers

What is the name of the compound Ba(NO3)2?

barium nitrate Signup and view all the answers

What is the name for the compound HBrO in aqueous solution?

hypobromous acid Signup and view all the answers

What is the correct name for the compound represented by the formula Li2O?

lithium oxide Signup and view all the answers

Which of the following compounds contains the sulfate ion?

magnesium sulfate Signup and view all the answers

What is the symbol for the ion formed from a potassium atom?

K+ Signup and view all the answers

Identify the incorrect naming of the compound represented by Ni2O.

nickel(III) oxide Signup and view all the answers

What is the correct name for P2O5?

diphosphorus pentoxide Signup and view all the answers

What is the correct name for the ion with the formula SO4^2-?

sulfate ion Signup and view all the answers

Which of the following correctly represents the formula for ammonium phosphate?

(NH4)3PO4 Signup and view all the answers

What is the correct name for the ion ClO3-?

chlorate ion Signup and view all the answers

Which of the following compounds is correctly formed by combining ammonium and nitrate ions?

NH4NO3 Signup and view all the answers

What is the name of the ion represented by the formula PO4^3-?

phosphate ion Signup and view all the answers

Which of the following correctly represents the formula for chlorite ion?

ClO2– Signup and view all the answers

What is the correct name for the compound formed from ammonium and sulfate ions?

(NH4)2SO4 Signup and view all the answers

Which of the following names corresponds to the acid represented by H2SO3?

sulfurous acid Signup and view all the answers

Which name correctly identifies the acid represented by the formula HClO3?

chloric acid Signup and view all the answers

What is the correct name for the ClO4– ion?

perchlorate Signup and view all the answers

Which statement about naming ionic compounds is correct?

The cation is always named first followed by the anion. Signup and view all the answers

Which of the following represents a correct ionic compound?

NaCl Signup and view all the answers

Which name corresponds to the compound represented as Hg2+?

mercury(I) ion Signup and view all the answers

What is the correct name for the ionic compound FeO?

iron(II) oxide Signup and view all the answers

Which option does NOT properly identify a binary compound?

O2 Signup and view all the answers

What is the correct name for the acid HNO2?

nitrous acid Signup and view all the answers

Which formula corresponds to chloric acid?

HClO3 Signup and view all the answers

Which of the following is the correct name for Pb4+?

lead(IV) ion Signup and view all the answers

Which compound is correctly described by the name 'ammonium bromide'?

NH4Br Signup and view all the answers

What is the correct formula for bromic acid?

HBrO3 Signup and view all the answers

What is the correct name for an aqueous solution of H2SO4?

sulfuric acid Signup and view all the answers

Which name correctly identifies the acid represented by H2CO3?

carbonic acid Signup and view all the answers

Which of the following is an incorrect name for an acid?

hydrocarbonate acid Signup and view all the answers

What is the correct name for an aqueous solution of HC2H3O2?

acetic acid Signup and view all the answers

Identify the correct name for the aqueous solution of HCl.

hydrochloric acid Signup and view all the answers

What is the correct name for the compound PI3?

phosphorus triiodide Signup and view all the answers

Which of the following represents the correct formula for calcium hydrogen sulfate?

Ca(HSO4)2 Signup and view all the answers

What is the correct formula for the carbonate ion?

CO3 2– Signup and view all the answers

Which is the correct name for the ion CrO4 2-?

chromate Signup and view all the answers

What is the correct name for the compound NH4BrO?

ammonium hypobromite Signup and view all the answers

What is the correct name for the compound Na3N?

sodium nitride Signup and view all the answers

What is the correct name for the compound HBrO(aq)?

hypobromous acid Signup and view all the answers

What is the proper name for the compound Al(OH)3?

aluminum hydroxide Signup and view all the answers

What is the name for the compound BaSO4?

barium sulfate Signup and view all the answers

What is the correct name for the compound FeCl3?

iron(III) chloride Signup and view all the answers

Which of the following is NOT a characteristic of ionic compounds?

They exist as gases at room temperature. Signup and view all the answers

Which name correctly identifies the ion represented by the formula SO4^2-?

Sulfate ion Signup and view all the answers

What is the correct name for the compound Na2O?

Sodium oxide Signup and view all the answers

Which of the following represents the correct naming for the compound Cr2O3?

Chromium(III) oxide Signup and view all the answers

The name for the compound FeCl3 is _____?

Iron(III) chloride Signup and view all the answers

What is the correct name for the formula Li2O?

lithium oxide Signup and view all the answers

What is the correct formula for phosphorus pentoxide?

P2O5 Signup and view all the answers

The chemical formula for nickel(II) sulfate is _____.

NiSO4 Signup and view all the answers

Which of the following is the correct name for the ion with the formula Al3+?

aluminum(III) ion Signup and view all the answers

What is the chemical formula for titanium(IV) oxide?

TiO2 Signup and view all the answers

What is the correct name for the compound PI3?

phosphorus triiodide Signup and view all the answers

What is the correct formula for calcium hydrogen sulfate?

Ca(HSO4)2 Signup and view all the answers

What is the correct name for the aqueous solution of H2CO3?

carbonic acid Signup and view all the answers

Which compound is correctly named as ammonium hypobromite?

NH4BrO Signup and view all the answers

Which of the following is the correct name for H3PO4 in aqueous solution?

phosphoric acid Signup and view all the answers

What is the correct name for the ion CrO4^2-?

chromate Signup and view all the answers

What is the incorrect name for an acid from the following options?

hydrocarbonate acid Signup and view all the answers

The correct name for an aqueous solution of HCN is:

hydrocyanic acid Signup and view all the answers

What is the correct formula for the carbonate ion?

CO3^2- Signup and view all the answers

What is the correct name for an aqueous solution of HCl?

hydrochloric acid Signup and view all the answers

What is the correct formula for the ammonium ion?

NH4+ Signup and view all the answers

Which of the following is the correct formula for sodium carbonate?

Na2CO3 Signup and view all the answers

What is the name for the BrO4- ion?

Perbromate ion Signup and view all the answers

Which statement about ClO3- is true?

ClO3- is an example of a polyatomic ion. Signup and view all the answers

The formula for the compound formed from the polyatomic ions NH4+ and PO4 3- is:

(NH4)3PO4 Signup and view all the answers

Which formula represents the compound formed from ammonium and sulfate ions?

(NH4)2SO4 Signup and view all the answers

What is the correct name for the ion ClO2–?

chlorite Signup and view all the answers

Which of the following is the name for the compound NH4F?

ammonium fluoride Signup and view all the answers

The correct name for HClO4(aq) is?

perchloric acid Signup and view all the answers

Which name corresponds to the acid H2SO3?

sulfurous acid Signup and view all the answers

Which of the following names corresponds to the acid with the formula H2SO4?

sulfuric acid Signup and view all the answers

What is the correct formula for nitrous acid?

HNO2 Signup and view all the answers

What is the correct name for the compound HClO3 in aqueous solution?

chloric acid Signup and view all the answers

Which of the following compounds is appropriately named ammonium bromide?

NH4Br Signup and view all the answers

Identify the correctly named species for HBrO3.

bromic acid Signup and view all the answers

What is the correct name for the compound Na3N?

sodium nitride Signup and view all the answers

Which of the following correctly names the compound MnBr2?

manganese(II) bromide Signup and view all the answers

What is the correct name for the compound Al(OH)3?

aluminum hydroxide Signup and view all the answers

Which name corresponds to the compound Ba(NO3)2?

barium nitrate Signup and view all the answers

What is the correct name for HBrO(aq)?

hypobromous acid Signup and view all the answers

Study Notes

Naming Compounds

The cation is always named first and the anion second in ionic compounds.
The Roman numeral in a compound's name indicates the charge of the metal cation.
When naming binary compounds containing a metal and a nonmetal, the metal is named first followed by the nonmetal, ending in -ide.
For binary compounds containing only nonmetals (Type III), use Greek prefixes to indicate the number of each element.
To name acids, if the anion ends in -ide, the acid name begins with hydro- and ends in -ic acid.
If the anion ends in -ite, the acid name ends in -ous acid.
If the anion ends in -ate, the acid name ends in -ic acid.

Polyatomic Ions

Polyatomic ions are groups of atoms that act as a unit and carry a charge.
Use parentheses when writing the formula for a compound containing a polyatomic ion that appears more than once.
The most common polyatomic ions should be memorized for easy compound naming.

Nomenclature of Simple Compounds

The correct name for LiCl is lithium chloride.
The correct name for P2O5 is diphosphorus pentoxide.
The correct name for PCl3 is phosphorus trichloride.
The correct name for SO2 is sulfur dioxide.
The correct name for NH4BrO is ammonium hypobromite。
The correct name for an aqueous solution of H2SO4 is sulfuric acid.
The correct name for an aqueous solution of H2CO3 is carbonic acid.
The correct name for an aqueous solution of H3PO4 is phosphoric acid.
The correct name for an aqueous solution of HCN is hydrocyanic acid.
The correct name for the CrO42- ion is chromate.
The correct name for an aqueous solution of HCl is hydrochloric acid.
The correct name for an aqueous solution of HC2H3O2 is acetic acid.
The correct name for the ClO4- ion is perchlorate ion.
The correct name for the Sn4+ species is tin(IV) ion.
The correct name for the Fe2+ species is iron(II) ion.
The correct name for CO32- is carbonate.

Nomenclature of simple compounds

The carbonate ion has the formula CO32–. Therefore, the chemical formula for sodium carbonate is Na2CO3.
The formula for the compound formed from the polyatomic ions NH4+ and PO43− is (NH4)3PO4.
Potassium chlorate has the formula KClO3.
Sodium chlorite has the formula NaClO2.
The correct formula for the ammonium ion is NH4+.
The name for the compound NH4F is ammonium fluoride.
The name for the compound Sn(NO3)2 is tin(II) nitrate.
The name for the compound Fe2O3 is iron(III) oxide.
The hypochlorite ion is represented by ClO–.
The correct formula for bromic acid is HBrO3(aq).

Polyatomic Ions

The name for the BrO4− ion is perbromate ion.
The name for the ClO2− ion is chlorite.
The name for the NO3– is nitrate ion.

Acids

The correct name for an aqueous solution of HBr is hydrobromic acid.
The name for the acid HNO3 is nitric acid.
The correct name for HClO4(aq) is perchloric acid.
The name for the acid H2SO3 is sulfurous acid.
The name for the acid HNO2 is nitrous acid.
The name for the acid H2SO4 is sulfuric acid.
The name for the acid HC2H3O2 is acetic acid.
The name for the acid HClO3(aq) is chloric acid.
An aqueous solution of HF would be named hydrofluoric acid.

Naming Binary Compounds That Contain a Metal and a Nonmetal

The name for the Pb4+ species is lead(IV) ion.
The name for SrCl2 is strontium chloride.
The name for the Sr2+ species is strontium ion.
The name for MnBr2 is manganese(II) bromide.
The correct formula for the compound formed from ammonium and sulfate ions is (NH4)2SO4.
The name for the compound NH4Br is ammonium bromide.
The name for the compound NaHCO3 is sodium hydrogen carbonate.
The name for Na3N is sodium nitride.

Naming Binary Compounds That Contain a Metal and a Nonmetal (Types I and II)

When naming a binary compound that contains a metal that forms only one type of ion, you use only the name of the metal followed by the name of the nonmetal with the suffix -ide.
For example, NaCl is sodium chloride.
When naming a binary compound that contains a metal that forms more than one type of ion, you use the name of the metal followed by a Roman numeral in parentheses to indicate the charge of the metal ion, followed by the name of the nonmetal with the suffix -ide.
For example, FeCl2 is iron(II) chloride and FeCl3 is iron(III) chloride.

Naming Binary Compounds That Contain Only Nonmetals (Type III)

When naming a binary compound that contains only nonmetals, you use the name of the first nonmetal followed by a prefix that indicates the number of atoms of that nonmetal present, followed by the name of the second nonmetal with the suffix -ide and a prefix to indicate the number of atoms of that nonmetal present.
For example, CO is carbon monoxide, and CO2 is carbon dioxide.

Naming Acids

When naming acids, you use the name of the nonmetal anion followed by the suffix -ic if the anion ends in -ate, and the suffix -ous if the anion ends in -ite, with the word acid added to the end.
For example, HCl(aq) is hydrochloric acid, and H2SO4(aq) is sulfuric acid.
The prefix hydro- is used when the anion is formed from a monatomic nonmetal anion that ends in -ide.
For example, H2S(aq) is hydrosulfuric acid, and HBr(aq) is hydrobromic acid.

Naming Compounds That Contain Polyatomic Ions

When naming compounds that contain polyatomic ions, you use the names of the cations and anions, with the cation listed first.
For example, NaNO3 is sodium nitrate, and CaSO4 is calcium sulfate.
When a polyatomic ion appears as a multiple unit, place parenthesis around the ion and include the numerical subscript.
For example, Fe2(SO4)3 is iron(III) sulfate.

Chemical Nomenclature

Silver Carbonate is the common name for silver(I) carbonate.
Silicon Dioxide is the name for SiO2
Manganese(II) Acetate is the name for Mn(C2H3O2)2
Iron(III) Chloride is the name for FeCl3
Zinc(II) Hydroxide is the name for Zn(OH)2
Iron(III) Phosphide is FeP
Iron(II) Phosphide is Fe3P2
Sodium Sulfide is Na2S
Titanium(II) Oxide is TiO
Titanium(IV) Oxide is TiO2
Cobalt(II) Chloride is CoCl2
Silver Iodide is AgI
Carbon Monoxide is CO
Zinc(II) Bromide is ZnBr2
Potassium Carbonate is K2CO3
Lead(II) Sulfite is PbSO3
Lead(IV) nitrate is Pb(NO3)4
Gold(I) Oxide is Au2O
Platinum(II) Oxide is PtO
Calcium Chromate is CaCrO4
Lithium Phosphate is Li3PO4
Barium Hydroxide is Ba(OH)2
Cobalt(III) hydroxide is Co(OH)3
Nickel(III) Phosphate is NiPO4
Ammonium Dichromate is (NH4)2Cr2O7
Sulfuric Acid is H2SO4(aq)
Sodium Nitrite is NaNO2
Beryllium Hydride is BeH2
Calcium Hydrogen Carbonate is Ca(HCO3)2
Iron(III) Bromide is FeBr3
Dinitrogen Pentoxide is N2O5
Mercury(II) Cyanide is Hg(CN)2
Acetic Acid is HC2H3O2
Sodium Hydride is NaH
Iron(III) Sulfide is Fe2S3
Ammonium Phosphate is (NH4)3PO4
Sodium Bromide is NaBr
Ammonium Sulfate is (NH4)2SO4

Chemical Formulas

The chemical formula for barium phosphate is Ba3(PO4)2.
The chemical formula for iron(III) chloride is FeCl3.
The chemical formula for magnesium hydride is MgH2.
The chemical formula for calcium hydrogen carbonate is Ca(HCO3)2.
The chemical formula for aluminum chloride is AlCl3.
The chemical formula for hydrosulfuric acid is H2S.
The formula for nitric acid is HNO3.
The chemical formula for lithium sulfate is Li2SO4.
The chemical formula for dinitrogen pentoxide is N2O5.
The chemical formula for barium hydroxide is Ba(OH)2.
The chemical formula for hypochlorous acid is HClO.
The chemical formula for ammonium cyanide is NH4CN.
The formula for potassium permanganate is KMnO4.
The chemical formula for bromic acid is HBrO3.
The chemical formula for sulfurous acid is H2SO3(aq).
The chemical formula for cobalt(II) nitrate is Co(NO3)2.
The chemical formula for hydroiodic acid is HI(aq).
The chemical formula for lithium sulfide is Li2S.
The chemical formula for sulfur dioxide is SO2.
The chemical formula for manganese(II) chloride is MnCl2.
The chemical formula for hydrogen peroxide is H2O2.
The chemical formula for carbonic acid is H2CO3.
The chemical formula for dinitrogen tetroxide is N2O4.
The chemical formula for iron(III) oxide is Fe2O3.
The chemical formula for calcium carbonate is CaCO3.
The chemical formula for rubidium hydrogen carbonate is RbHCO3.
The chemical formula for mercury(II) chloride is HgCl2.
The chemical formula for aluminum oxide is Al2O3.
The formula for dinitrogen pentoxide is N2O.
The chemical formula for perchloric acid is HClO4.
The chemical formula for silver(I) cyanide is AgCN.
The chemical formula for magnesium phosphate is Mg3(PO4)2.
The chemical formula for chromium(III) iodide is CrI3.
The chemical formula for sulfurous acid is H2SO3.
The chemical formula for mercury(II) sulfide is HgS.
The chemical formula for sodium hydroxide is NaOH.
The chemical formula for silicon tetrafluoride is SiF4.
The chemical formula for potassium permanganate is KMnO4.
The chemical formula for sodium chromate is Na2CrO4.
The chemical formula for potassium chlorate is KClO3.
The chemical formula for titanium(IV) chloride is TiCl4.
The chemical formula for barium peroxide is BaO2.
The chemical formula for calcium hydroxide is Ca(OH)2.

Naming Ionic Compounds

The cation (positively charged ion) is always named first and the anion (negatively charged ion) is named second.

Binary Compounds

Binary compounds contain two elements.
Example: H2S is a binary compound as it contains only hydrogen and sulfur.

Naming Binary Compounds with a Metal and a Nonmetal

Type I - Metal used only one charge. The name consists of the metal's name and the anion's name, followed by the suffix "-ide"
Example: LiCl - Lithium Chloride
Type II - Metal can have more than one charge. The name consists of the metal's name followed by a Roman numeral in parentheses, with the charge of the ion. The anion's name is then added with the "-ide" suffix.
Example: FeO - Iron(II) Oxide

Naming Binary Compounds with Only Nonmetals

Type III - Use prefixes to indicate the number of atoms of each element present.
Example: PCl3 - Phosphorus trichloride.

Polyatomic Ions

Ions that contain a metal and a nonmetal or only nonmetals.
Example: NH4BrO - Ammonium hypobromite.

Acids

Acids are molecules that produce H+ ions when dissolved in water. They are generally named by changing the suffix of the anion to -ic for oxyacids and -ous for non-oxyacids.
Example: H2SO4 (sulfuric acid), H2CO3 (carbonic acid), HCN (hydrocyanic acid) and HCl (hydrochloric acid).

Identifying Ions

Knowing electron configuration can help identify ions.
Example: The compound XCl2 contains an unknown ion X with 20 electrons. By comparing the electron configuration of the known elements, Ti2+ is the only ion with 20 electrons.

Polyatomic Ions

Carbonate ion (CO32-)
Nitrate ion (NO3-)
Ammonium ion (NH4+)
Phosphate ion (PO43−)
Hydrogen phosphate ion (HPO42−)
Hypochlorite ion (ClO-)
Chlorite ion (ClO2-)
Sulfate ion (SO42-)
Perbromate ion (BrO4-)
Perchlorate ion (ClO4-)

Nomenclature of Chemical Compounds

Sn(NO3)2 is named tin (II) nitrate
- Sn is tin and has a +2 charge
Fe2O3 is named iron (III) oxide
- Fe is iron and has +3 charge
NH4F is ammonium fluoride
- NH4+ is the ammonium ion
Pb4+ is the lead (IV) ion
SrCl2 is strontium chloride
Strontium (Sr) is a Group 2 element, and therefore always forms a +2 ion
HClO3(aq) is chloric acid
The polyatomic ion ClO3 has a -1 charge, making chloric acid a strong acid
The name for the compound NH4Br is ammonium bromide. - Ammonium (NH4+) is always +1
The name for the Sr2+ species is strontium ion.
Strontium (Sr) is in Group 2 of the Periodic Table, so it has a +2 charge
The name for MnBr2 is manganese(II) bromide
The bromide ion is written as Br–
The name for the compound NaHCO3 is sodium hydrogen carbonate.
This is the same as sodium bicarbonate

Nomenclature of Acids

HNO3 is nitric acid
HClO4(aq) is perchloric acid
H2SO3 is sulfurous acid
The polyatomic ion SO32- has a -2 charge
HNO2 is nitrous acid
The polyatomic ion NO2- has a -1 charge
H2SO4 is sulfuric acid
The polyatomic ion SO42- has a -2 charge
HC2H3O2 is acetic acid
The polyatomic ion C2H3O2- has a -1 charge
HBr(aq) is hydrobromic acid
This means the H+ is bonded with Br
HF(aq) is hydrofluoric acid
This means the H+ is bonded with F
HCN(aq) is hydrocyanic acid
The CN– is bonded with the H+
The formula for bromic acid is HBrO3(aq)
The polyatomic ion BrO3- has a -1 charge
The name for HNO3(aq) is nitric acid
The polyatomic ion NO3- has a -1 charge### Naming Simple Compounds
The name for Al(OH)₃ is aluminum hydroxide.
The name for Ba(NO₃)₂ is barium nitrate.
The name for HBrO(aq) is hypobromous acid.
The name for the compound BaSO₄ is barium sulfate.
The name for FeCl₃ is iron(III) chloride.
The name for PCl₅ is phosphorus pentachloride.
The name for N₂O is dinitrogen monoxide.
The name for CsI is cesium iodide.
The name for (NH₄)₂CO₃ is ammonium carbonate.
The name for the compound CuCl₂ is copper(II) chloride.
The name for PBr₅ is phosphorus pentabromide.
The name for CO is carbon monoxide.
The name for CH₃COO⁻ is acetate ion.
The name for OH⁻ is hydroxide ion.
The name for the compound MgCO₃ is magnesium carbonate.
The name for the compound KNO₂ is potassium nitrite.
The name for the compound FeO is iron(II) oxide.
The name for MnO₂ is manganese(IV) oxide.
The name for HCN(aq) is hydrocyanic acid.
The name for MgCl₂ is magnesium chloride.
The name for NH₄⁺ is ammonium ion.
The name for the compound K₂O is potassium oxide.
The name for the compound BeH₂ is beryllium hydride.
The name for the compound NaHCO₃ is sodium hydrogen carbonate or sodium bicarbonate.
The name for the compound PI₃ is phosphorus triiodide.
The name for the compound Na₂Cr₂O₇ is sodium dichromate.
The name for the compound SnO₂ is tin(IV) oxide.
The name for Mg(HCO₃)₂ is magnesium hydrogen carbonate.
The name for (NH₄)₂SO₄ is ammonium sulfate.
The name for the compound H₂S(aq) is hydrosulfuric acid.
The name for Co(OH)₂ is cobalt(II) hydroxide.
The name for N₂S₃ is dinitrogen trisulfide.
The name for CuBrO₂ is copper(I) bromite.
The name for the compound SrHPO₄ is strontium hydrogen phosphate.
The name for Cu₃(PO₄)₂ is copper(II) phosphate.
The name for HCl(aq) is hydrochloric acid.
The name for the compound KC₂H₃O₂ is potassium acetate.
The name for HCN(g) is hydrogen cyanide.
The name for NaCl is sodium chloride.
The name for CuCl₂ is copper(II) chloride.
The name for Ba(NO₃)₂ is barium nitrate.
The name for Ag₂CO₃ is silver carbonate.

Naming Compounds

Silver(I) carbonate is a compound that is commonly called silver carbonate.
The formula for silicon dioxide is SiO2.
Manganese(II) acetate is also known as manganese acetate, and it has the formula Mn(C2H3O2)2.
The formula for iron(III) chloride is FeCl3.
Zinc(II) hydroxide is also called zinc hydroxide and has the formula Zn(OH)2.
The correct formula for iron(III) phosphide is FeP.
The correct formula for iron(II) phosphide is Fe3P2.
The correct formula for sodium sulfide is Na2S.
The correct formula for titanium(II) oxide is TiO.
The correct formula for titanium(IV) oxide is TiO2.
The correct formula for cobalt(II) chloride is CoCl2.
The correct formula for silver iodide is AgI.
The correct formula for carbon monoxide is CO.
The correct formula for zinc(II) bromide is ZnBr2.
The correct formula for potassium carbonate is K2CO3.
The correct formula for lead(II) sulfite is PbSO3.
The correct formula for lead(IV) nitrate is Pb(NO3)4.
The correct formula for gold(I) oxide is Au2O.
The correct formula for platinum(II) oxide is PtO.
The correct formula for calcium chromate is CaCrO4.
The correct formula for lithium phosphate is Li3PO4.
The correct formula for barium hydroxide is Ba(OH)2.
The correct formula for cobalt(III) hydroxide is Co(OH)3.
The correct formula for nickel(III) phosphate is NiPO4.
The correct formula for ammonium dichromate is (NH4)2Cr2O7.
The correct formula for sulfuric acid is H2SO4(aq).
The correct formula for sodium nitrite is NaNO2.
The correct formula for beryllium hydride is BeH2.
The correct formula for calcium hydrogen carbonate is Ca(HCO3)2.
The correct formula for iron(III) bromide is FeBr3.
The correct formula for dinitrogen pentoxide is N2O5.
The correct formula for mercury(II) cyanide is Hg(CN)2.
The correct formula for acetic acid is HC2H3O2.
The correct formula for sodium hydride is NaH.
The correct formula for iron(III) sulfide is Fe2S3.
The correct formula for ammonium phosphate is (NH4)3PO4.
The formula for sodium bromide is NaBr.
The formula for ammonium sulfate is (NH4)2SO4.
The formula for cobalt(II) chloride is CoCl2.
The formula for iron(III) oxide is Fe2O3.

Chemical Formulas

Barium phosphate: Ba3(PO4)2
Iron(III) chloride: FeCl3
Magnesium hydride: MgH2
Calcium hydrogen carbonate: Ca(HCO3)2
Aluminum chloride: AlCl3
Hydrosulfuric acid: H2S
Nitric acid: HNO3
Lithium sulfate: Li2SO4
Dinitrogen pentoxide: N2O5
Barium hydroxide: Ba(OH)2
Hypochlorous acid: HClO
Ammonium cyanide: NH4CN
Potassium permanganate: KMnO4
Bromic acid: HBrO3
Sulfurous acid: H2SO3(aq)
Cobalt(II) nitrate: Co(NO3)2
Hydroiodic acid: HI(aq)
Lithium sulfide: Li2S
Sulfur dioxide: SO2
Manganese(II) chloride: MnCl2
Hydrogen peroxide: H2O2
Carbonic acid: H2CO3
Dinitrogen tetroxide: N2O4
Iron(III) oxide: Fe2O3
Calcium carbonate: CaCO3
Rubidium hydrogen carbonate: RbHCO3
Mercury(II) chloride: HgCl2
Aluminum oxide: Al2O3
Perchloric acid: HClO4
Silver(I) cyanide: AgCN
Magnesium phosphate: Mg3(PO4)2
Chromium(III) iodide: CrI3
Mercury(II) sulfide: HgS
Sodium hydroxide: NaOH
Silicon tetrafluoride: SiF4
Sodium chromate: Na2CrO4
Potassium chlorate: KClO3
Titanium(IV) chloride: TiCl4
Barium peroxide: BaO2
Calcium hydroxide: Ca(OH)2

Naming ionic compounds

The cation is always named first, followed by the anion.
The name for a binary compound is the name of the cation followed by the name of the anion.
If a metal can have more than one charge, the charge on the metal ion is indicated in Roman numerals in parentheses after the metal's name.

Chemical formulas for ionic compound

The subscript following the symbol of an element in a chemical formula gives the number of atoms of that element in a formula unit.
The sum of the charges on the positive and negative ions in an ionic compound is equal to zero.

Naming binary compounds

Binary compounds are compounds that are composed of two elements.
Type I compounds are those that contain a metal cation with a fixed charge.
The name of the metal is followed by the name of the nonmetal with the suffix -ide.
Type II compounds are those that contain a metal cation with a variable charge.
The name of the metal is followed by the name of the nonmetal, and the charge on the metal is indicated using Roman numerals in parentheses after the metal's name.
Type III compounds are those that contain only nonmetals.
The name of the first nonmetal is spelled out.
The name of the second nonmetal is spelled with the suffix -ide.
Greek prefixes are used to indicate the number of atoms of each element in the compound, except that if there is only one atom of the first element, the prefix mono- is usually omitted.

Polyatomic ions

Polyatomic ions are ions that contain two or more atoms.
The names and formulas of common polyatomic ions must be memorized.

Acids

Acids are substances that contain a hydrogen atom that can be released as an H+ ion.
The names of acids are derived from the names of the anions they produce in solution.
If the parent anion ends in -ide, the acid name begins with the prefix hydro- and the suffix -ic.
If the parent anion ends in -ite, the acid name ends in -ous.
If the parent anion ends in -ate, the acid name ends in -ic.

Polyatomic Ions

The carbonate ion has the formula CO32–.
The ammonium ion has the formula NH4+.
The phosphate ion has the formula PO43–
The hydrogen phosphate ion has the formula HPO42–
The hypochlorite ion has the formula ClO–
The chlorite ion has the formula ClO2–
The perbromate ion has the formula BrO4–
The sulfate ion has the formula SO42–

Nomenclature Of Simple Compounds

The name for the compound NH4F is ammonium fluoride.
The name for the compound Sn(NO3)2 is tin(II) nitrate.
The name for the compound Fe2O3 is iron(III) oxide.
The name for the compound SrCl2 is strontium chloride.
The name for the compound NH4Br is ammonium bromide.
The name for the compound NaHCO3 is sodium hydrogen carbonate.
The name for the compound Na3N is sodium nitride.

Naming Acids

The correct name for an aqueous solution of HBr is hydrobromic acid.
The name for the acid HNO3 is nitric acid.
The correct name for HClO4(aq) is perchloric acid.
The name for the acid H2SO3 is sulfurous acid.
The name for the acid HNO2 is nitrous acid.
The name for the acid H2SO4 is sulfuric acid.
The name for the acid HC2H3O2 is acetic acid.
The correct formula for bromic acid is HBrO3(aq).
An aqueous solution of HF would be named hydrofluoric acid.
The name for HClO3(aq) is chloric acid.
The name for the Pb4+ species is lead(IV) ion.
The name for the Sr2+ species is strontium ion.
The name for MnBr2 is manganese(II) bromide.

Chemical Nomenclature

The name for Al(OH)3 is aluminum hydroxide.
The name for Ba(NO3)2 is barium nitrate.
The name for HBrO(aq) is hypobromous acid.
The name for BaSO4 is barium sulfate.
The name for FeCl3 is iron(III) chloride.
The name for PCl5 is phosphorus pentachloride.
The name for N2O is dinitrogen monoxide.
The name for CsI is cesium iodide.
The name for (NH4)2CO3 is ammonium carbonate.
The name for CuCl2 is copper(II) chloride.
The name for PBr5 is phosphorus pentabromide.
The name for CO is carbon monoxide.
The name for CH3COO- is acetate ion.
The name for OH- is hydroxide ion.
The name for MgCO3 is magnesium carbonate.
The name for KNO2 is potassium nitrite.
The name for FeO is iron(II) oxide.
The name for MnO2 is manganese(IV) oxide.
The name for HCN(aq) is hydrocyanic acid.
The name for MgCl2 is magnesium chloride.
The name for NH4+ is ammonium ion.
The name for K2O is potassium oxide.
The name for BeH2 is beryllium hydride.
The name for NaHCO3 is sodium bicarbonate or sodium hydrogen carbonate.
The name for PI3 is phosphorus triiodide.
The name for Na2Cr2O7 is sodium dichromate.
The name for SnO2 is tin(IV) oxide.
The name for Mg(HCO3)2 is magnesium hydrogen carbonate.
The name for (NH4)2SO4 is ammonium sulfate.
The name for H2S(aq) is hydrosulfuric acid.
The name for Co(OH)2 is cobalt(II) hydroxide.
The name for N2S3 is dinitrogen trisulfide.
The name for CuBrO2 is copper(I) bromite
The name for SrHPO4 is strontium hydrogen phosphate.
The name for Cu3(PO4)2 is copper(II) phosphate.
The name for HCl(aq) is hydrochloric acid.
The name for KC2H3O2 is potassium acetate.
The name for HCN(g) is hydrogen cyanide.
The name for NaCl is sodium chloride.
The name for CuCl2 is copper(II) chloride.
The name for Ba(NO3)2 is barium nitrate.
The name for Ag2CO3 is silver carbonate.

Naming Compounds

Silver carbonate is a chemical substance that is commonly referred to as silver carbonate.
Silicon dioxide is a binary molecular compound with the formula SiO2.
Manganese(II) acetate is an ionic compound with the formula Mn(C2H3O2)2.
Iron(III) chloride is an ionic compound with the formula FeCl3.
The formula for iron(III) phosphide is FeP.
The formula for iron(II) phosphide is Fe3P2.
The formula for sodium sulfide is Na2S.
The formula for titanium(II) oxide is TiO.
The formula for titanium(IV) oxide is TiO2.
The formula for cobalt(II) chloride is CoCl2.
The formula for silver iodide is AgI.
The formula for carbon monoxide is CO.
The formula for zinc(II) bromide is ZnBr2.
The formula for potassium carbonate is K2CO3.
The formula for lead(II) sulfite is PbSO3.
The formula for lead(IV) nitrate is Pb(NO3)4.
The formula for gold(I) oxide is Au2O.
The formula for platinum(II) oxide is PtO.
The formula for calcium chromate is CaCrO4.
The formula for lithium phosphate is Li3PO4.
The formula for barium hydroxide is Ba(OH)2.
The formula for cobalt(III) hydroxide is Co(OH)3.
The formula for nickel(III) phosphate is NiPO4.
The formula for ammonium dichromate is (NH4)2Cr2O7.
The formula for sulfuric acid is H2SO4(aq).
The formula for sodium nitrite is NaNO2.
The formula for beryllium hydride is BeH2.
The formula for calcium hydrogen carbonate is Ca(HCO3)2.
The formula for iron(III) bromide is FeBr3.
The formula for dinitrogen pentoxide is N2O5.
The formula for mercury(II) cyanide is Hg(CN)2.
The formula for acetic acid is HC2H3O2.
The formula for sodium hydride is NaH.
The formula for iron(III) sulfide is Fe2S3.
The formula for ammonium phosphate is (NH4)3PO4.
The formula for sodium bromide is NaBr.
The formula for ammonium sulfate is (NH4)2SO4.
The formula for cobalt(II) chloride is CoCl2.
The formula for iron(III) oxide is Fe2O3.

Chemical Formulas

The correct formula for barium phosphate is Ba3(PO4)2.
The formula for iron(III) chloride is FeCl3.
The formula for magnesium hydride is MgH2.
The formula for calcium hydrogen carbonate is Ca(HCO3)2.
The formula for aluminum chloride is AlCl3.
The formula for hydrosulfuric acid is H2S.
The correct formula for nitric acid is HNO3.
The formula for lithium sulfate is Li2SO4.
The formula for dinitrogen pentoxide is N2O5.
The formula for barium hydroxide is Ba(OH)2.
The formula for hypochlorous acid is HClO.
The correct formula for ammonium cyanide is NH4CN.
The formula for potassium permanganate is KMnO4.
The formula for bromic acid is HBrO3.
The formula for sulfurous acid is H2SO3(aq).
The formula for cobalt(II) nitrate is Co(NO3)2.
The formula for hydroiodic acid is HI(aq).
The correct formula for lithium sulfide is Li2S.
The formula for sulfur dioxide is SO2.
The formula for manganese(II) chloride is MnCl2.
The formula for hydrogen peroxide is H2O2.
The formula for carbonic acid is H2CO3.
The correct formula for dinitrogen tetroxide is N2O4.
The formula for iron(III) oxide is Fe2O3.
The formula for calcium carbonate is CaCO3.
The formula for rubidium hydrogen carbonate is RbHCO3.
The correct formula for mercury(II) chloride is HgCl2.
The formula for aluminum oxide is Al2O3.
The correct formula for dinitrogen pentoxide is N2O5.
The formula for perchloric acid is HClO4.
The correct formula for silver(I) cyanide is AgCN.
The formula for magnesium phosphate is Mg3(PO4)2.
The formula for chromium(III) iodide is CrI3.
The correct formula for sulfurous acid is H2SO3.
The formula for mercury(II) sulfide is HgS.
The formula for sodium hydroxide is NaOH.
The correct formula for silicon tetrafluoride is SiF4.
The formula for potassium permanganate is KMnO4.
The formula for sodium chromate is Na2CrO4.
The correct formula for potassium chlorate is KClO3.
The formula for titanium(IV) chloride is TiCl4.
The formula for barium peroxide is BaO2.
The formula for calcium hydroxide is Ca(OH)2.

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Test your knowledge on the rules of naming compounds, including ionic and molecular compounds. This quiz explores naming conventions, the use of Roman numerals, and the naming of acids and polyatomic ions. Perfect for students studying chemistry nomenclature!