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 Br^1-: ans ans

b) Fe²⁺and O^2-: ans ans

c) Pb²⁺ and Cl^1-: ans ans

d) Hg²⁺ and S^2-: ans ans

e) Sn²⁺ and F^1-: ans ans

f) Fe³⁺ and O^2- : ans 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 O^2-:ans

e) Sn²⁺ and I^1-:ans

f) Fe³⁺ and S^2-: ans

g) Cu²⁺ and NO₃^1-: ans

h) NH₄¹⁺ and SO₄^2-: 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

**********Physical Science students may stop at this point. **********

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) NO₂^1-N: _____; O: _____

i) SO₄^2- S: _____; O: _____

j) ClO₂^1-Cl: _____; O: _____

k) IO₃^1-I: _____; O: _____