Write the correct formula. Remember, if the compound is ionic, you MUST include charges in the written formula.

Aluminum carbonate Al⁺³₂ (CO₃^-2)₃

Lead (IV) hydroxide Pb⁺⁴(OH^-1)₄

Strontium nitrate Sr⁺²(NO₃^-1)₂

Lithium phosphate   Li⁺¹₃PO₄^-3

Aluminum citrate Al⁺³C₆H₅O₇^-3

Barium azide Ba⁺²(N₃^-1)₂

Mercury (I) dichromate Hg⁺¹₂Cr₂O₇^-2

Lead (II) nitrate Pb⁺² (NO₃^-1)₂

Potassium sulfite K⁺¹₂SO₃^-2

Cobalt (II) phosphite Co⁺²₃(PO₃^-3)₂

Calcium phosphate  Ca⁺²₃(PO₄^-3)₂

Calcium oxide Ca⁺²O^-2

Potassium thiosulfate K⁺¹₂S₂O₃^-2

Nickel (II) chlorite Ni⁺² (ClO₂^-1)₂

Barium bromide Ba⁺²Br^-1₂

Chromium (III) sulfide Cr⁺³₂S^-2₃

Ammonium nitrate   NH₄⁺¹NO₃^-1

Write the correct compound name.

NaCl    sodium chloride

B₂S₃ boron sulfide

FeCl₂   iron (II) chloride

Hg(HCO₃)₂ mercury (II) bicarbonate

Mg₃(PO₄)₂ magnesium phosphate

Pb(SO₃)₂ lead (IV) sulfite

Cd(C₂H₃O₂)₂ cadmium (II) acetate

Rb₂CO₃ rubidium carbonate

(NH₄)₃PO₄    ammonium phosphate

AgCl silver chloride  (remember, silver ALWAYS has ONLY a +1 charge)

MgF₂ magnesium fluoride

BPO₄ boron phosphate

AgNO₃    silver nitrate    (remember, silver ALWAYS has ONLY a +1 charge)

Ca₃N₂ calcium nitride