Chem 101 Chapter 4 Flashcards

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Questions and Answers

What do molecular compounds contain?

Two or more nonmetals covalently bonded together.

What do ionic compounds contain?

A metal and one or more nonmetals ionically bonded together.

What is the formula and charge for carbonate?

CO3 2-

What is the formula and charge for phosphate?

PO4 3- Signup and view all the answers

What is the formula and charge for hydrogen phosphate?

HPO4 2- Signup and view all the answers

What is the formula and charge for acetate?

C2H3O2 - Signup and view all the answers

Spell out the full name of the compound: SnO2

Tin(IV) oxide Signup and view all the answers

Spell out the full name of the compound: Hg2Br2

Mercury(I) bromide Signup and view all the answers

Spell out the full name of the compound: CoI3

Cobalt(III) iodide Signup and view all the answers

Spell out the full name of the compound: CrS

Chromium(II) sulfide Signup and view all the answers

Spell out the full name of the compound: BaS

Barium sulfide Signup and view all the answers

Spell out the full name of the compound: FeS

Iron(II) sulfide Signup and view all the answers

Spell out the full name of the compound: PbCl4

Lead(IV) chloride Signup and view all the answers

Spell out the full name of the compound: SrI2

Strontium iodide Signup and view all the answers

Spell out the full name of the compound: Ba(ClO)2

Barium hypochlorite Signup and view all the answers

Spell out the full name of the compound: NH4I

Ammonium iodide Signup and view all the answers

Spell out the full name of the compound: NaClO4

Sodium perchlorate Signup and view all the answers

Spell out the full name of the compound: Fe(OH)3

Iron(III) hydroxide Signup and view all the answers

What is the name of the compound KCl?

Potassium chloride Signup and view all the answers

What is the systematic name of Fe(IO3)2?

Iron(II) iodate Signup and view all the answers

What is the name of the compound K2CrO4?

Potassium chromate Signup and view all the answers

What is the name of the compound CuF?

Copper(I) fluoride Signup and view all the answers

What is the name of the compound Fe(OH)3?

Iron(III) hydroxide Signup and view all the answers

What is the charge of the phosphate ion?

3- Signup and view all the answers

What is the full name of the compound FePO4?

Iron(III) phosphate Signup and view all the answers

What is the full name of the compound Be3(PO4)2⋅3H2O?

Beryllium phosphate trihydrate Signup and view all the answers

What is the charge of nitrate (NO3)?

-1 Signup and view all the answers

What is the systematic name of Cu(NO3)2⋅5H2O?

Copper(II) nitrate pentahydrate Signup and view all the answers

What is the formula for potassium nitrite hexahydrate?

KNO2⋅6H2O Signup and view all the answers

What does a molecular formula list?

The actual number of atoms of each element in a molecule of a compound. Signup and view all the answers

What are organic compounds composed of?

Carbon and hydrogen atoms. Signup and view all the answers

Covalent bonding occurs between?

Nonmetals. Signup and view all the answers

Metallic bonding occurs between?

Metals. Signup and view all the answers

Ionic bonding occurs between?

Cation and anion (often a metal and a nonmetal). Signup and view all the answers

In the group 3 to group 12 elements, which subshell is filled up going across the rows?

d subshell Signup and view all the answers

What is the identity of the element that is a liquid at room temperature, conducts electricity, and forms a chloride XCl2 and an oxide XO?

Hg Signup and view all the answers

What is the systematic name of Mg(NO3)2?

Magnesium nitrate Signup and view all the answers

What is the systematic name of NH4ClO3?

Ammonium chlorate Signup and view all the answers

What is the systematic name of PbO?

Lead(II) oxide Signup and view all the answers

What is the chemical formula for potassium permanganate?

KMnO4 Signup and view all the answers

What is the chemical formula for copper sulfate?

CuSO4 Signup and view all the answers

What is the chemical formula for sodium carbonate?

Na2CO3 Signup and view all the answers

What is the systematic name for the compound NaNO3?

Sodium nitrate Signup and view all the answers

What is the systematic name for the compound Co2(SO4)3?

Cobalt(III) sulfate Signup and view all the answers

Enter the formula for the compound beryllium oxide.

BeO Signup and view all the answers

What is the name of the phosphate ion?

PO4 3- Signup and view all the answers

What is the chemical formula for pyridoxine?

C8H11NO3 Signup and view all the answers

Name the hydrate MgSO4⋅7H2O.

Magnesium sulfate heptahydrate Signup and view all the answers

How many covalent bonds does carbon form if each of its unpaired electrons participate in one bond?

4 Signup and view all the answers

How many covalent bonds does oxygen form if each of its unpaired electrons participate in one bond?

2 Signup and view all the answers

How many covalent bonds does nitrogen form if each of its unpaired electrons participate in one bond?

3 Signup and view all the answers

How many covalent bonds does hydrogen form if each of its unpaired electrons participate in one bond?

1 Signup and view all the answers

What is the formula for the compound nitrogen monoxide?

NO Signup and view all the answers

What is the formula for the compound tetraphosphorus decoxide?

P4O10 Signup and view all the answers

What is the formula for the compound methane?

CH4 Signup and view all the answers

What is the name of the covalent compound CCl4?

Carbon tetrachloride Signup and view all the answers

What is the name of the covalent compound N2O5?

Dinitrogen pentoxide Signup and view all the answers

What is the name for the compound NO2?

Nitrogen dioxide Signup and view all the answers

What is the name for the compound B2H6?

Diboron hexahydride Signup and view all the answers

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Study Notes

Molecular and Ionic Compounds

Molecular compounds consist of two or more nonmetals covalently bonded together.
Ionic compounds contain a metal ionically bonded to one or more nonmetals.

Common Polyatomic Ions

Carbonate ion has the formula CO3 2-.
Phosphate ion has the formula PO4 3-.
Hydrogen phosphate ion is represented as HPO4 2-.
Acetate ion has the formula C2H3O2 -.
Iodate ion is represented as IO3-.

Naming Compounds

SnO2 is called tin(IV) oxide.
Hg2Br2 is known as mercury(I) bromide.
CoI3 is referred to as cobalt(III) iodide.
CrS represents chromium(II) sulfide.
BaS is named barium sulfide.
FeS corresponds to iron(II) sulfide.
PbCl4 is known as lead(IV) chloride.
SrI2 represents strontium iodide.
Ba(ClO)2 is referred to as barium hypochlorite.
NH4I is named ammonium iodide.
NaClO4 is known as sodium perchlorate.
Fe(OH)3 represents iron(III) hydroxide.

Chemical Formulas

KCl is the formula for potassium chloride.
Fe(IO3)2 is known as iron(II) iodate.
K2CrO4 corresponds to potassium chromate.
CuF represents copper(I) fluoride.
Fe(OH)3 is iron(III) hydroxide.
FePO4 is known as iron(III) phosphate.
Be3(PO4)2·3H2O is referred to as beryllium phosphate trihydrate.
NO3- indicates a nitrate ion with a charge of -1.
Cu(NO3)2·5H2O is known as copper(II) nitrate pentahydrate.
KNO2·6H2O corresponds to potassium nitrite hexahydrate.

Molecular vs. Empirical Formulas

A molecular formula lists the actual number of atoms of each element in a molecule and is a whole-number multiple of the empirical formula.

Composition of Organic Compounds

Organic compounds are primarily composed of carbon and hydrogen atoms.

Types of Bonding

Covalent bonding occurs between nonmetals, while metallic bonding occurs between metals.
Ionic bonding forms between cations (typically metals) and anions (often nonmetals).

Electron Configuration

The d subshell is filled for elements in groups 3 to 12.

Elemental Identification

Mercury (Hg) is identified based on properties as a good conductor, with compounds forming XCl2 and XO, and being liquid at room temperature.

Systematic Names of Common Compounds

Mg(NO3)2 is magnesium nitrate.
NH4ClO3 is ammonium chlorate.
PbO is known as lead(II) oxide.

Chemical Formula Recognition

KMnO4 is potassium permanganate.
CuSO4 represents copper sulfate.
Na2CO3 is sodium carbonate.
NaNO3 is known as sodium nitrate.
Co2(SO4)3 refers to cobalt(III) sulfate.
BeO is the formula for beryllium oxide.

Hydrated Compounds

MgSO4·7H2O is known as magnesium sulfate heptahydrate.

Valency and Bonding

Carbon forms four covalent bonds; oxygen forms two; nitrogen forms three; and hydrogen forms one.

Molecular Formulas of Specific Compounds

NO is the formula for nitrogen monoxide.
P4O10 corresponds to tetraphosphorus decoxide.
CH4 represents methane.
CCl4 is named carbon tetrachloride.
N2O5 is called dinitrogen pentoxide.
NO2 is termed nitrogen dioxide.
B2H6 is referred to as diboron hexahydride.

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