Questions and Answers
What kind of compound is P2Cl8?
What is the name of P2Cl8?
Diphosphorus octachloride
What kind of compound is Fe(C2H3O2)3?
What is the name of this compound: Fe(C2H3O2)3?
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What kind of compound is H3N?
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What is the name of this compound: H3N?
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What kind of compound is NH4OH?
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What is the name of this compound: NH4OH?
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How many iron (II) ions combine with oxygen to form iron (II) oxide?
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What is the ionic charge of the zirconium ion in zirconium oxide, ZrO2?
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What is the charge of the cation in Fe2(SO4)3?
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What is the charge of the chloride ion?
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Which of the following is an oxyacid?
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What is the stock system and the acid name for HClO?
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What is another name for cuprous nitrate?
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What is the formula for stannic oxide?
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What is the correct name for Sn3(PO4)2?
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What is the correct name for N2O5?
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What does an '-ate' ending in a polyatomic ion mean?
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What is the correct formula for calcium hydrogen phosphate?
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Suppose you encounter a chemical formula with H as the cation. What do you know about this compound immediately?
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What is the correct name for the compound CoCl2?
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What is the correct formula for sulfur hexafluoride?
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What is produced when a base is dissolved in water?
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What is the formula for hydrosulfuric acid?
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What is the formula for phosphoric acid?
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When the name of an anion that is part of an acid ends in -ite, the acid name includes the suffix _______
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What is the stock system name and the acid name for H2SO3?
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Which of the following shows both the correct formula and correct name of an acid?
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When dissolved in water, acids produce __________
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What makes a compound a binary covalent or binary molecular compound?
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Nona is the prefix that means ____________
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In naming a binary molecular compound, the number of atoms of each element present in the molecule is indicated by _________
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What is the ending for the names of all binary compounds, both ionic and molecular?
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Molecular compounds are usually ____________.
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What is the correct formula for potassium sulfite?
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What is the charge of the anion in PbO?
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What is the charge of the cation in PbO?
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What is the formula of stannic fluoride?
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What is the charge of iron in Fe2S3?
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Give the charge of the ions in Sn3N4.
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What is the stock system name of Sn3N4?
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What is the name of this compound: Mn2O3?
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What is the stock system name and the acid name for HF?
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What is the stock system name and the classical name of Pb(ClO4)4?
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What is the name of N3O7?
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What is the formula for hypobromous acid?
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What is the formula for titanium (II) carbonate?
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What is the formula for ferric hypoiodite?
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What is the name of BaHPO3?
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Study Notes
Compound Types and Names
- P2Cl8 is a covalent or molecular compound known as diphosphorus octachloride.
- Fe(C2H3O2)3 is classified as ionic and is named Iron (III) acetate.
- H3N is also a covalent or molecular compound, known as trihydrogen nitride, and its acid form is hydronitric acid.
- NH4OH is ionic and functions as a base, named ammonium hydroxide.
Ionic Charges and Compounds
- Iron (II) oxide, FeO, forms with one iron (II) ion combining with oxygen.
- In zirconium oxide (ZrO2), the zirconium ion has a +4 charge while the oxide ion has a -2 charge.
- The cation in Fe2(SO4)3 is Fe with a charge of +3, balancing the total charge of three sulfate ions (-6).
Acid and Base Recognition
- Chloride ion has a charge of -1 and is part of Group 7A.
- H2CO3 is an oxyacid since it contains hydrogen and a polyatomic ion.
- HClO is named hydrogen hypochlorite in the stock system and hypochlorous acid as an acid.
Naming and Formulas
- Cuprous nitrate corresponds to copper (I) nitrate.
- The formula for stannic oxide is SnO2, determined from Sn+4 and O-2 charges.
- Sn3(PO4)2 is named tin(II) phosphate.
- N2O5 is identified as dinitrogen pentoxide.
Acid Naming and Formulas
- The suffix "-ate" in a polyatomic ion signifies the presence of oxygen.
- Calcium hydrogen phosphate is represented as CaHPO4.
- Compounds with H as the cation indicate they are acids.
- CoCl2 is properly named cobalt (II) chloride, while sulfur hexafluoride is SF6.
Chemical Solutions and Properties
- Bases dissolved in water yield hydroxide ions.
- Hydrosulfuric acid has the formula H2S, while phosphoric acid is H3PO4.
Polyatomic Ions and Naming
- When an anion in an acid ends in -ite, the acid name will end with "ous."
- H2SO3 is labeled as dihydrogen sulfite in the stock system and sulfurous acid as its acid name.
Common Errors and Clarifications
- H3PO4 correctly matches its formula with the name phosphoric acid.
- Acids produce hydrogen ions (H+) when dissolved in water.
- Binary covalent compounds consist of two nonmetal elements.
- The prefix "nona" denotes the number 9 in chemical nomenclature.
Additional Names and Formulas
- Potassium sulfite is represented by K2SO3.
- In PbO, the anion (oxide) carries a -2 charge, and lead (II) has a +2 charge.
- Stannic fluoride is indicated by SnF4, while iron in Fe2S3 carries a +3 charge.
- In Sn3N4, tin has a +4 charge and nitrogen a -3 charge, with the stock system name being Tin (IV) nitride.
Transition Metals and Classical Names
- Mn2O3 is named manganese (III) oxide, emphasizing the use of roman numerals for transition metals.
- HF is known as hydrogen fluoride and hydrofluoric acid.
- Pb(ClO4)4 is recognized as lead (IV) perchlorate or plumbic perchlorate.
- N3O7 is known as trinitrogen heptoxide and hypobromous acid has the formula HBrO.
- Titanium (II) carbonate is written as TiCO3, while ferric hypoiodite corresponds to Fe(IO)3.
- BaHPO3 can be designated as barium hydrogen phosphite or barium biphosphite.
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