Question

PLEASE HELP : Craft the correct formulas of the following pairings using correct oxidation numbers (from round 1). Remember that metals always go first and polyatomic ions go in parenthesis

Answer 1

Compounds provided below

`\\ \tt\hookrightarrow Al(OH)_3`

`\\ \tt\hookrightarrow KCl`

`\\ \tt\hookrightarrow Ag_2S` (AgS also possible but unstable)

`\\ \tt\hookrightarrow Ca(CH_3COO)_2`

`\\ \tt\hookrightarrow (NH_4)_2CO_3`

`\\ \tt\hookrightarrow Fe(PO_4)_2`

`\\ \tt\hookrightarrow Na_2O`

`\\ \tt\hookrightarrow Pb(CrO_7)_4`