How many molecules are in each sample? b. 389 g CBr4

How many bromine atoms are present in 35.2 g of CH2Br2?

The elemental mass percent composition of ibuprofen (a nonsteroidal anti-inflammatory drug [NSAID]) is 75.69% C, 8.80% H, and 15.51% O. Determine the empirical formula of ibuprofen.

How many atoms are specified by each of these prefixes: mono-, di-, tri-, tetra-, penta-, hexa-?

Determine the number of each type of atom in each formula. a. Ca(NO2)2

Determine the number of each type of atom in each formula. b. CuSO4

Determine the number of each type of atom in each formula. c. Al(NO3)3

Write a chemical formula for each molecular model. (See Appendix IIA for color codes.) (a)

Write a chemical formula for each molecular model. (See Appendix IIA for color codes.) (c)

Classify each element as atomic or molecular. a. neon b. fluorine c. potassium d. nitrogen

Classify each compound as ionic or molecular. a. CO2 b. NiCl2 c. Nal d. PCl3

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.

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. a. silver and chlorine b. sodium and sulfur c. aluminum and sulfur d. potassium and chlorine

Write a formula for the compound that forms between potassium and each polyatomic ion. a. carbonate b. phosphate c. hydrogen phosphate d. acetate

Name each ionic compound. c. Na2O

Name each ionic compound. a. SnCl4

Name each ionic compound containing a polyatomic ion. b. Mg(C2H3O2)2

Name each ionic compound containing a polyatomic ion. a. Ba(OH)2

Write the formula for each ionic compound. c. silver nitrate

Write the formula for each ionic compound. f. potassium hydrogen carbonate

Write the formula for each ionic compound. a. copper(II) chloride

Write the formula for each ionic compound. b. copper(I) iodate

Write the formula for each ionic compound. d. calcium fluoride

Write the formula for each ionic compound. f. iron(II) phosphate

Write the name from the formula or the formula from the name for each hydrated ionic compound. c. Mg(BrO3)2 # 6 H2O

Write the name from the formula or the formula from the name for each hydrated ionic compound. a. cobalt(II) phosphate octahydrate

Name each molecular compound. a. CO b. NI3 c. SiCl4 d. N4Se4

Name each molecular compound. a. SO3