1. Write the formulas for the binary ionic compounds formed between the following elements:

a) potassium and iodine: ans d) aluminum and sulfur: ans

b) magnesium and chlorine: ans

c) sodium and sulfur: ans

2. Name the binary ionic compounds indicated by the following formulas:

a) AgCl: ans b) ZnO: ans

c) CaBr22: ans d) SrF2 ans

e) BaO: ans f) CaCl2: ans

3. Write the formula and give the name for the compounds formed between the following ions:

a) Cu2+and Br1-: ans

b) Fe2+and O2-: ans

c) Pb2+ and Cl1-: ans

d) Hg2+ and S2-: ans

e) Sn2+ and F1-: ans

f) Fe3+ and O2- : ans

4. Write formulas for the following ionic compounds:

a) sodium iodide: ans e) copper (II) sulfate: ans

b) calcium chloride: ans f) sodium carbonate: ans

c) potassium sulfide: ans g) calcium nitrite: ans

d) lithium nitrate: ans h) potassium perchlorate ans


5. Give the names for the following compounds:

a) Ag2O: ans b) Ca(OH)2: ans

c) KClO3: ans d) NH4OH: ans

e) FeCrO4: ans f) KClO: ans

6. Name the following binary molecular compounds:

a) SO3: ans b) ICl3: ans

c) PBr5: ans

7. Write the formulas for the following compounds:

a) carbon tetraiodide:ans b) phosphorus trichloride: ans

c) dinitrogen trioxide: ans

8. Write formula for the compounds formed between the following:

a) aluminum and bromine: ans

b) sodium and oxygen: ans

c) magnesium and iodine: ans

d) Pb2+ and O2-:ans

e) Sn2+ and I1-:ans

f) Fe3+ and S2-: ans

g) Cu2+ and NO31-: ans

h) NH41+ and SO42-: ans

9. Name the following compounds using the Stock system where appropriate:

a) NaI:ans b) MgS: ans

c) CaO: ans d) K2S: ans

e) CuBr: ans f) FeCl2: ans

10. Write the formulas for each of the following compounds:

a) barium sulfide: ans b) sodium hydroxide: ans

c) lead (II) nitrate: ans d) potassium permanganate: ans

e) iron (II) sulfate: ans f) diphosphorus trioxide: ans

g) disulfur dichloride: ans h) carbon diselenide: ans

Give the correct chemical formulas for the following:

i) acetic acid: __________ j) chloric acid: __________

k) sulfurous acid: __________ l) phosphoric acid: __________


11. Assign oxidation numbers to each atom in the following compounds or ions:


a) HCl: H: _____; Cl: _____

b) CF4 C: _____; F: _____

c) PCl3 P: _____; Cl: _____

d) SO2 S: _____; O: _____

e) HNO3 H: _____; N: _____; O: _____

f) KH K: _____; H: _____

g) P4O10 P: _____; O: _____

h) HClO3 H: _____; Cl: _____; O: _____

i) N2O5 N: _____; O: _____

j) GeCl2 Ge: _____; Cl: _____

12. Assign oxidation numbers to each atom in the following compounds or ions:

a) HF H: _____; F: _____

b) CI4 C: _____; I: _____

c) H2O H: _____; O: _____

d) PI3 P: _____; I: ______

e) CS2 C: _____; S: ______

f) Na2O2 Na: _____; O: _____

g) H2CO3 H: _____; C: _____; O: _____

h) NO21-N: _____; O: _____

i) SO42- S: _____; O: _____

j) ClO21-Cl: _____; O: _____

k) IO31-I: _____; O: _____