문제 10
How many atoms are specified by each of these prefixes: mono-, di-, tri-, tetra-, penta-, hexa-?
- Classify each compound as organic or inorganic: a. C8H18 b. CH3NH2 c. CaO d. FeCO3
문제 11
문제 25e
Calculate the percentage by mass of oxygen in the following compounds: e. digitoxin, C41H64O13
문제 26a
Determine the number of each type of atom in each formula. a. Sr2HPO4
문제 26b
Determine the number of each type of atom in each formula. b. Co(ClO4)2
문제 26c
Determine the number of each type of atom in each formula. c. Cr2(SO4)3
문제 28a
Write a chemical formula for each molecular model. (See Appendix IIA for color codes.) (a)
문제 28c
Write a chemical formula for each molecular model. (See Appendix IIA for color codes.) (c)

문제 29
Classify each element as atomic or molecular. a. bromine b. titanium c. oxygen d. potassium
문제 30
Identify the elements that have molecules as their basic units. a. nitrogen b. argon c. hydrogen d. helium
문제 31
Classify each compound as ionic or molecular. a. CO2 b. NiCl2 c. Nal d. PCl3
문제 32
Classify each compound as ionic or molecular. a. CF2Cl2 b. CCl4 c. PtO2 d. SO3
문제 33a
Based on the molecular views, classify each substance as an atomic element, a molecular element, an ionic compound, or a molecular compound.
문제 34
Based on the molecular views, classify each substance as an atomic element, a molecular element, an ionic compound, or a molecular compound.

문제 36
Write a formula for the ionic compound that forms between each pair of elements. a. silver and chlorine b. sodium and sulfur c. aluminum and sulfur d. potassium and chlorine
문제 37
Write a formula for the compound that forms between potassium and each polyatomic ion. a. acetate b. phosphate c. sulfate d. nitrate
문제 39c
Name each ionic compound. a. Mg3N2 b. KF c. Na2O d. Li2S f. KI e. CsF
문제 40a
Name each ionic compound. a. SnCl4 b. PbI2 c. Fe2O3 d. CuI2 e. HgBr2 f. CrCl2
- What is the appropriate name for each ionic compound: a. SnO, b. Cr2S3, c. RbI, d. BaBr2?
문제 41
문제 43b
Name each ionic compound containing a polyatomic ion. a. CuNO2 b. Mg(C2H3O2)2 c. Ba(NO3)2 d. Pb(C2H3O2)2
문제 44a
Name each ionic compound containing a polyatomic ion. a. Ba(OH)2 b. NH4I c. NaBrO4 d. Fe(OH)3
문제 47c
Write the formula for each ionic compound. a. sodium hydrogen sulfite b. lithium permanganate c. silver nitrate d. potassium sulfate e. rubidium hydrogen sulfate
문제 47f
Write the formula for each ionic compound. f. potassium hydrogen carbonate
문제 48a
Write the formula for each ionic compound. a. copper(II) chloride
문제 48b
Write the formula for each ionic compound. b. copper(I) iodate c. lead(II) chromate e. potassium hydroxide
문제 48d
Write the formula for each ionic compound. d. calcium fluoride
문제 48f
Write the formula for each ionic compound. f. iron(II) phosphate
문제 51c
Write the name from the formula or the formula from the name for each hydrated ionic compound.
a. CoSO4•7 H2O
b. iridium(III) bromide tetrahydrate
c. Mg(BrO3)2•6 H2O
d. potassium carbonate dihydrate
문제 52a
Write the name from the formula or the formula from the name for each hydrated ionic compound.
a. cobalt(II) phosphate octahydrate
b. BeCl2•2 H2O
c. chromium(III) phosphate trihydrate
d. LiNO2•H2O
문제 53
Name each molecular compound. a. CO b. NI3 c. SiCl4 d. N4Se4
Ch.3 - Molecules and Compounds
