Problema 3.65b
How many molecules are in each sample? b. 389 g CBr4
- Name each ionic compound appropriately: a. BaS b. FeCl3 c. PbI4 d. SrBr2
Problema 4
Problema 5
Write the formula for each molecular compound. a. boron tribromide b. dichlorine monoxide c. xenon tetrafluoride d. carbon tetrabromide
Problema 10
How many atoms are specified by each of these prefixes: mono-, di-, tri-, tetra-, penta-, hexa-?
Problema 23
Determine the number of each type of atom in each formula. a. Mg3(PO4)2 b. BaCl2 c. Fe(NO2)2 d. Ca(OH)2
Problema 24a,d
Determine the number of each type of atom in each formula. a. Ca(NO2)2 d. Mg(HCO3)2
Problema 24b,d
Determine the number of each type of atom in each formula. b. CuSO4 d. Mg(HCO3)2
Problema 24c
Determine the number of each type of atom in each formula. c. Al(NO3)3
Problema 26a
Write a chemical formula for each molecular model. (See Appendix IIA for color codes.) (a)
Problema 26c
Write a chemical formula for each molecular model. (See Appendix IIA for color codes.) (c)

Problema 27
Classify each element as atomic or molecular. a. neon b. fluorine c. potassium d. nitrogen
Problema 29
Classify each compound as ionic or molecular. a. CO2 b. NiCl2 c. Nal d. PCl3
Problema 30
Classify each compound as ionic or molecular. a. CF2Cl2 b. CCl4 c. PtO2 d. SO3
- Based on the molecular views, classify each substance as an atomic element, a molecular element, an ionic compound, or a molecular compound.
Problema 31
Problema 31a
Based on the molecular views, classify each substance as an atomic element, a molecular element, an ionic compound, or a molecular compound.
Problema 32
Based on the molecular views, classify each substance as an atomic element, a molecular element, an ionic compound, or a molecular compound.

- Write a formula for the ionic compound that forms between each pair of elements. d. aluminum and oxygen
Problema 33
Problema 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
- What is the formula for the compound formed between calcium and each of the following polyatomic ions? a. hydroxide b. chromate c. phosphate d. cyanide
Problema 35
Problema 36
Write a formula for the compound that forms between potassium and each polyatomic ion. a. carbonate b. phosphate c. hydrogen phosphate d. acetate
Problema 37a,b,c,d,e,f
Name each ionic compound. a. Mg3N2 b. KF c. Na2O d. Li2S f. KI e. CsF
Problema 38a,b,c,d,e,f
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?
Problema 39
Problema 41a,b,c,d
Name each ionic compound containing a polyatomic ion. a. CuNO2 b. Mg(C2H3O2)2 c. Ba(NO3)2 d. Pb(C2H3O2)2
Problema 42a,b,c,d
Name each ionic compound containing a polyatomic ion. a. Ba(OH)2 b. NH4I c. NaBrO4 d. Fe(OH)3
Problema 43a,b,c,d,e
Write the formula for each ionic compound. a. sodium hydrogen sulfite b. lithium permanganate c. silver nitrate d. potassium sulfate e. rubidium hydrogen sulfate
Problema 43f
Write the formula for each ionic compound. f. potassium hydrogen carbonate
Problema 44a
Write the formula for each ionic compound. a. copper(II) chloride
Problema 44b,c,e
Write the formula for each ionic compound. b. copper(I) iodate c. lead(II) chromate e. potassium hydroxide
Problema 44d
Write the formula for each ionic compound. d. calcium fluoride
Ch.3 - Molecules, Compounds & Chemical Equations
