Ch.3 - Molecules and Compounds
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Problem 3.65b
How many molecules are in each sample? b. 389 g CBr4
Problem 10
How many atoms are specified by each of these prefixes: mono-, di-, tri-, tetra-, penta-, hexa-?
Problem 24a
Determine the number of each type of atom in each formula. a. Ca(NO2)2 d. Mg(HCO3)2
Problem 24b
Determine the number of each type of atom in each formula. b. CuSO4 d. Mg(HCO3)2
Problem 24c
Determine the number of each type of atom in each formula. c. Al(NO3)3
Problem 26a
Write a chemical formula for each molecular model. (See Appendix IIA for color codes.) (a)
Problem 26c
Write a chemical formula for each molecular model. (See Appendix IIA for color codes.) (c)
Problem 27
Classify each element as atomic or molecular. a. neon b. fluorine c. potassium d. nitrogen