Day 3 reversed name -> form

hypochlorite ion

ClO⁻, charge -1

chlorite ion

ClO₂⁻, charge -1

chlorate ion

ClO₃⁻, charge -1

perchlorate ion

ClO₄⁻, charge -1

acetate ion

C₂H₃O₂⁻ or CH₃COO⁻, charge -1

cyanide ion

CN⁻, charge -1

permanganate ion

MnO₄⁻, charge -1

chromate ion

CrO₄²⁻, charge -2

dichromate ion

Cr₂O₇²⁻, charge -2

oxalate ion

C₂O₄²⁻, charge -2

peroxide ion

O₂²⁻, charge -2

hydrogen sulfate / bisulfate ion

HSO₄⁻, charge -1

hydrogen phosphate ion

HPO₄²⁻, charge -2

dihydrogen phosphate ion

H₂PO₄⁻, charge -1

phosphite ion

PO₃³⁻, charge -3