Writing Formulas from names

•barium chloride

•BaCl2

•sodium sulfate

•Na2SO4

•hydrochloric acid

•HCl

•potassium oxide

•K2O

•iron (II) sulfide

•FeS

•ammonium sulfide

•(NH4)2S

•sodium chlorate

•NaClO3

•iron (III) hydroxide

•Fe(OH)3

•lead (II) acetate

•Pb(C2H3O2)2

•bromine

•Br2

•calcium hydroxide

•Ca(OH)2

•zinc chloride

•ZnCl2

•hydrogen

•H2

•chromium (II) selenide

•CrSe

•magnesium carbonate

•MgCO3

•oxygen

•O2

•sulfuric acid

•H2SO4

•aluminum hydroxide

•Al(OH)3

•bromine

•Br2

•phosphoric acid

•H3PO4

•ammonium acetate

•NH4C2H3O2

•iron (II) hydroxide

•Fe(OH)2

•ammonium phosphate

•(NH4)3PO4

•phosphoric acid

•H3PO4

•cobalt (II) nitride

•Co3N2