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문제 3.65b
How many molecules are in each sample? b. 389 g CBr4
문제 10
How many atoms are specified by each of these prefixes: mono-, di-, tri-, tetra-, penta-, hexa-?
문제 24a
Determine the number of each type of atom in each formula. a. Ca(NO2)2 d. Mg(HCO3)2
문제 24b
Determine the number of each type of atom in each formula. b. CuSO4 d. Mg(HCO3)2
문제 24c
Determine the number of each type of atom in each formula. c. Al(NO3)3
문제 26a
Write a chemical formula for each molecular model. (See Appendix IIA for color codes.) (a)
문제 26c
Write a chemical formula for each molecular model. (See Appendix IIA for color codes.) (c)
문제 27
Classify each element as atomic or molecular. a. neon b. fluorine c. potassium d. nitrogen
문제 29
Classify each compound as ionic or molecular. a. CO2 b. NiCl2 c. Nal d. PCl3
문제 30
Classify each compound as ionic or molecular. a. CF2Cl2 b. CCl4 c. PtO2 d. SO3
문제 31a
Based on the molecular views, classify each substance as an atomic element, a molecular element, an ionic compound, or a molecular compound.
문제 32
Based on the molecular views, classify each substance as an atomic element, a molecular element, an ionic compound, or a molecular compound.
문제 34
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 36
Write a formula for the compound that forms between potassium and each polyatomic ion. a. carbonate b. phosphate c. hydrogen phosphate d. acetate
문제 37c
Name each ionic compound. a. Mg3N2 b. KF c. Na2O d. Li2S f. KI e. CsF
문제 38a
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 39
문제 41b
Name each ionic compound containing a polyatomic ion. a. CuNO2 b. Mg(C2H3O2)2 c. Ba(NO3)2 d. Pb(C2H3O2)2
문제 42a
Name each ionic compound containing a polyatomic ion. a. Ba(OH)2 b. NH4I c. NaBrO4 d. Fe(OH)3
문제 43c
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 43f
Write the formula for each ionic compound. f. potassium hydrogen carbonate
문제 44a
Write the formula for each ionic compound. a. copper(II) chloride
문제 44b
Write the formula for each ionic compound. b. copper(I) iodate c. lead(II) chromate e. potassium hydroxide
문제 44d
Write the formula for each ionic compound. d. calcium fluoride
문제 44f
Write the formula for each ionic compound. f. iron(II) phosphate
문제 45c
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 46a
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 47
Name each molecular compound. a. CO b. NI3 c. SiCl4 d. N4Se4
문제 48a
Name each molecular compound. a. SO3 c. BrF5
문제 48b
Name each molecular compound. b. SO2