Oxyanion Families (HALOGENS & -1 FAMILY)

Chlorine (Cl), Bromine (Br), Iodine (I) Rule: (Hypo, -ite, -ate, Per) and all have a -1 charge

HYPO Chlor-ITE (hypochlorite)

ClO⁻

Chlor-ITE (Chlorite)

ClO₂⁻

Chlor-ATE (Chlorate)

ClO₃⁻

PER-Chlor-ATE (Perchlorate)

ClO₄⁻

HYPO-brom-ITE (Hypobromite)

BrO⁻

Brom-ITE (Bromite)

BrO₂⁻

Brom-ATE (Bromate)

BrO₃⁻

PER-brom-ATE

BrO₄⁻

HYPO-iod-ITE (Hypoiodite)

IO⁻

Iod-ITE (Iodite)

IO₂⁻

Iod-ATE (Iodate)

IO₃⁻

PER-iod-ATE (Periodate)

IO₄⁻

Acetate

C₂H₃O₂⁻ (also CH₃COO⁻)

Cyanide

CN⁻

Hydroxide

OH⁻

Hydrogen Sulfate/ Bisulfate

HSO₄⁻

Hydrogen Carbonate/ Bicarbonate

HCO₃⁻

Dihydrogen Phosphate

H₂PO₄⁻

Permanganate

MnO₄⁻

Nitrate

NO₃⁻

Nitrite

NO₂⁻