Chemistry Chapter 9: Chemical Names and Formulae Test

Compare the composition of binary ionic and binary molecular compounds

Binary ionic compounds formed between two elements that are a nonmetal and a metal. A binary molecular compound formed between two nonmetals.

Write the chemical formula for cobalt (III) oxide

Co2O3

Name the compound Sb2S3

Diantimony trisulfide

Write the formula for dinitrogen pentoxide

N2O5

Write the chemical formula for nickel II hydrogen carbonate

Ni(HCO3)2

Write the chemical formula for lead (II) hydroxide

Pb(OH)2

Name the compound Fe(NO2)2 a. iron (II) nitrate b. iron (II) nitrite c. ferric nitrate d. ferrous nitride

b. iron (II) nitrite

Which of the following pairs of substances best illustrates the law of multiple proportions? a. H2 and O2 b. P2O5 and PH3 c. CaCl2 and CaBr2 d. NO and NO2

d. NO and NO2

Write the chemical formula for ammonium sulfate

(NH4)2 SO4

Which of the following shows correctly an ion pair and the ionic compound the two ions form? a. Ca2+, F-; CaF2 b. Na+, Cl-; NaCl2 c. Ba2+, O2-; Ba2O2 d. Pb4+, O2-; Pb2O4

a. Ca2+, F-; CaF2

Phosphoric acid has the formula a. H3PO4 b. H3PO3 c. HPO3 d. H3PO2

a. H3PO4

What is the formula for the compound formed by lead (II) ions and chromate ions, CrO4 2-? a. PbCrO4 b. Pb2CrO4 c. Pb2(CrO4)3 d. Pb(CrO4)2

a. PbCrO4

Which of the following compounds contains the lead II ion? a. PbO b. PbCl4 c. Pb2O d. Pb2S

a. PbO

The formula H2O2 is an example of a. a molecular formula b. an empirical formula c. an ionic formula d. an organic formula

a. a molecular formula

Name the compound Ni(ClO3)2 a. nickel (II) chlorate b. nickel (II) chloride c. nickel (II) chlorite d. nickel (II) peroxide

a. nickel (II) chlorate

The formula for silver oxide is a. AgO b. Ag2O c. AgO2 d. Ag2O2 e. 2AgO

b. Ag2O

Which formula is not correct? a. Al2(SO4)3 b. BaHCO3 c. Ca(OH)2 d. NH4HSO4 e. LiH

b. BaHCO3

What is the formula for chromium (III) sulfide? a. CrS3 b. Cr2S3 c. Cr3S2 d. Cr3S3

b. Cr2S3

Iron II chloride has the formula a. FeCl b. FeCl2 c. 2FeCl d. FeCl4 e. Fe2Cl

b. FeCl2

An example of a binary compound is a. He b. H2O c. H2 d. H2SO4

b. H2O

What is the formula for sulfurous acid? a. H2SO4 b. H2SO3 c. H2SO2 d. H2S

b. H2SO3

The chemical formula for nickel (II) bromide is a. Ni2Br b. NiBr2 c. N2Br d. NBr2

b. NiBr2

What is the formula for the compound formed by tin and the chromate ion, CrO4 2-? a. Sn(CrO4)4 b. Sn2(CrO4)2 c. Sn2(CrO4)4 d. Sn(CrO4)2

b. Sn2(CrO4)2

Which set of chemical name and chemical formula for the same compound is correct? a. ammonium sulfite; (NH4)2S b. iron (III) phosphate; FePO4 c. lithium carbonate; LiCO3 d. magnesium dichromate; MgCrO4

b. iron (III) phosphate; FePO4

Which is the correct name for Fe(SO4)3? a. iron (II) sulfate b. iron (III) sulfate c. iron (IV) sulfate d. iron (II) sulfite e. iron (III) sulfite

b. iron (III) sulfate

Suppose you encounter a chemical formula with h as the cation. What do you know about the compound immediately? a. it is a polyatomic ionic compound b. it is an acid c. it is a base d. it has a 1+ charge

b. it is an acid

Which of the following correctly shows a prefix used in naming binary molecular compounds with its corresponding number? a. deca- 7 b. nona-9 c. hexa-8 d. octa-4

b. nona-9

What type of ions have names ending in -ide? a. only cations b. only anions c. only metal ions d. only gaseous ions

b. only anions

What is the name of Sn3(PO4)4? a. stannous phospahte b. tin (IV) phosphate c. tin (III) phosphate d. tin (II) phosphate

b. tin (IV) phosphate

What is the formula for the compound formed by aluminum and the sulfate ion, SO4 2-? a. AlSO4 b. Al2SO4 c. Al2(SO4)3 d. Al(SO4)3

c. Al2(SO4)3

What is the correct formula for barium chlorate? a. Ba(ClO)2 b. Ba(ClO2)2 c. Ba(ClO3)2 d. BaCl2

c. Ba(ClO3)2

What is the formula for the compound formed by the barium ion, Ba2+, and hydroxide ion, OH-? a. BaOH b. BaOH2 c. Ba(OH)2 d. Ba(OH)

c. Ba(OH)2

The correct formula for calcium phosphate is a. CaPO4 b. Ca(PO4)2 c. Ca3(PO4)2 d. Ca2(PO4)3 e. Ca3PO4

c. Ca3(PO4)2

Which of the following shows both the correct formula and correct name of an acid? a. HClO, chloric acid b. HNO2, hydronitrous acid c. H3PO4, phosphoric acid d. HI, iodic acid

c. H3PO4, phosphoric acid

What is the correct formula for potassium sulfite? a. KHSO3 b. KHSO4 c. K2SO3 d. K2SO4

c. K2SO3

Which of the following compounds contains the Mn3+ ion? a. MnS b. MnBr2 c. Mn2O3 d. MnO

c. Mn2O3

In which of the following are the symbol and name for both the ion given correctly? a. NH4+ ammonia; H+ hydride b. C2H3O2- acetate; C2O4- oxalite c. OH- hydroxide; O2- oxide d. PO3 3- phosphate; PO4 3- phosphite

c. OH- hydroxide; O2- oxide

Which of the following formulas represents a molecular compound? a. ZnO b. Xe c. SO2 d. BeF2

c. SO2

If the valence of element X is 2 + and the valence of element Y is 3 - the formula of a compound is a. XY b. X2Y3 c. X3Y2 d. X6Y6

c. X3Y2

Sulfate, SO4 2-, is a. an acid b. a compound c. a radical (polyatomic ion) d. a salt

c. a radical (polyatomic ion)

When writing a chemical formula, the element with a positive valence a. is written last b. need to know subscript c. is written first d. is place in parentheses

c. is written first

What type of compound is CuSO4? a. monoatomic ionic b. polyatomic covalent c. polyatomic ionic d. binary molecular

c. polyatomic ionic

Name the compound KClO3 a. potassium chloride b. potassium trioxychlorite c. potassium chlorate d. hypochlorite

c. potassium chlorate

when naming a transition metal ion that can have more than one common ionic charge, the numerical value of the charge is indicated by a a. prefix b. suffix c. roman numeral following the name d. subscript after the name

c. roman numeral following the name

Which set of chemical name and chemical formula for the same compound is correct? a. iron (II) oxide; Fe2O3 b. aluminum fluorate; AlF c. tin (IV) bromide; SnBr4 d. potassium chloride; K2Cl2

c. tin (IV) bromide; SnBr4

Name the compound Zn3(PO4)2 a. zinc potassium oxide b. trizinc polyoxide c. zinc phosphate d. zinc phosphite

c. zinc phosphate

What is the formula for the compound formed by calcium ions, Ca2+, and chloride ions, Cl-? a. CaCl b. Ca2Cl c. CaCl3 d. CaCl2

d. CaCl2

What is the formula for chromium (III) oxide? a. CrO b. Cr2O c. Cr3O d. Cr2O3 e. Cr2O2

d. Cr2O3

Which of the following shows correctly an ion pair and the ionic compound the two ions form? a. Sn4+, N3-; Sn4N3 b. Cu2+, O2-; Cu2O2 c. Cr3+, I-; CrI d. Fe3+, O2-; Fe2O3

d. Fe3+, O2-; Fe2O3

What is the formula for hydrosulfuric acid? a. H2S2 b. H2SO2 c. HSO2 d. H2S

d. H2S

Select the correct formula for sulfur hexafluoride a. S2F6 b. F6SO3 c. F6S2 d. SF6

d. SF6

What is the correct name for the compound CoCl2? a. cobalt (I) chlorate b. cobalt (I) chloride c. cobalt (II) chlorate d. cobalt (II) chloride

d. cobalt (II) chloride

Name the compound CuCO3 a. copper (I) carbonate b. cupric trioxycarbide c. cuprous carbide d. copper (II) carbonate

d. copper (II) carbonate

The correct formula for magnesium hydroxide is a. MgOH b. MgOH- c. Mg2OH d. 2MgOH e. Mg(OH)2

e. Mg(OH)2