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

a) potassium and iodine: KI d) aluminum and sulfur: Al₂S₃

b) magnesium and chlorine: MgCl₂

c) sodium and sulfur: Na₂S


Name the binary ionic compounds indicated by the following formulas:

a) AgCl: silver chloride b) ZnO: zinc oxide

c) CaBr₂: calcium bromide d) SrF₂: strontium fluoride

e) BaO: barium oxide f) CaCl₂: calcium chloride

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

a) Cu²⁺ and Br^1-: CuBr₂ copper (II) bromide

b) Fe²⁺ and O^2-: FeO iron (II) oxide

c) Pb²⁺ and Cl^1-: PbCl₂ lead (II) chloride

d) Hg²⁺ and S^2-: HgS mercury (II) sulfide

e) Sn²⁺ and F^1-: SnF₂ tin (II) fluoride

f) Fe³⁺ and O^2-: Fe₂O₃ iron (III) oxide

Write formulas for the following ionic compounds:

a) sodium iodide: NaI e) copper (II) sulfate: CuSO₄

b) calcium chlroide: CaCl₂ f) sodium carbonate: Na₂CO₃

c) potassium sulfide: K₂S g) calcium nitrite: Ca(NO₂)₂

d) lithium nitrate: LiNO₃ h) potassium perchlorate: KClO₄




Give the names for the following compounds:

a) Ag₂O: silver oxide b) Ca(OH)₂: calcium hydroxide

c) KClO₃: potassium chlorate d) NH₄OH: ammonium hydroxide

e) FeCrO₄: iron (II) chromate f) KClO: potassium hypochlorite

Name the following binary molecular compounds:

a) SO₃: sulfur trioxide b) ICl₃: iodine trichloride

c) PBr₅: phosphorus pentabromide

Write the formulas for the following compounds:

a) carbon tetraiodide: CI₄ b) phosphorus trichloride: PCl₃

c) dinitrogen trioxide: N₂O₃

Write formula for the compounds formed between the following:

a) aluminum and bromine: AlBr₃

b) sodium and oxygen: Na₂O

c) magnesium and iodine: MgI₂

d) Pb²⁺ and O^2-: PbO

e) Sn²⁺ and I^1-: SnI₂

f) Fe³⁺ and S^2-: Fe₂S₃

g) Cu²⁺ and NO₃^1-: Cu(NO₃)₂

h) NH₄¹⁺ and SO₄^2-: (NH₄)₂SO₄





Name the following compounds using the Stock system where appropriate:
a) NaI: sodium iodide b) MgS: magnesium sulfide

c) CaO: calcium oxide d) K₂S: potassium sulfide

e) CuBr: copper (I) bromide f) FeCl₂: iron (II) chloride

Write the formulas for each of the following compounds:

a) barium sulfide: BaS b) sodium hydroxide: NaOH

c) lead (II) nitrate: Pb(NO₃)₂ d) potassium permanganate: KMnO₄

e) iron (II) sulfate: FeSO₄ f) diphosphorus trioxide: P₂O₃

g) disulfur dichloride: S₂Cl₂ h) carbon diselenide: CSe₂

i) acetic acid: CH₃COOH j) chloric acid: HClO₃

k) sulfurous acid: H₂SO₃ l) phosphoric acid: H₃PO₄

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

a) HCl: H: +1; Cl: -1

b) CF₄ C: +4; F: -1

c) PCl₃ P:+3; Cl: -1

d) SO₂ S: +4; O: -2

e) HNO₃ H: +1; N: +5; O: -2

f) KH K: +1; H: -1

g) P₄O₁₀ P: +5; O: -2

h) HClO₃ H: +1; Cl: +5; O:-2

i) N₂O₅ N: +5; O: -2

j) GeCl₂ Ge: +2; Cl: -1



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

a) HF H: +1; F: -1

b) CI₄ C: +4; I: -1

c) H₂O H: +1; O: -2

d) PI₃ P: +3; I: -1

e) CS₂ C: +4; S: -2

f) Na₂O₂ Na:+1; O: -1

g) H₂CO₃ H: +1; C: +4; O: -2

h) NO₂^1- N: +3; O: -2

i) SO₄^2- S: +6; O: -2

j) ClO₂^1- Cl: +3; O: -2

k) IO₃^1- I: +5; O: -2