polyatomics + nomenclature

C₂H₃OO⁻¹

Acetate

HCO₃⁻¹

Bicarbonate

CO₃⁻²

Carbonate

CrO₄⁻²

Chromate

CN⁻¹

Cyanide

Cr₂O₇⁻²

Dichromate

OH⁻¹

Hydroxide

NO₃⁻¹

Nitrate

MnO₄⁻¹

Permanganate

O₂⁻²

Peroxide

PO₄⁻³

Phosphate

SO₄⁻²

Sulfate

BrO₃⁻¹

Bromate

IO₃⁻¹

Iodate

AsO4³⁻

Arsenate

If an oxygen is added,

add the per- perfix

If an oxygen is taken away,

change -ate to -ite

if two oxygens are taken away,

add hypo- and change -ate to -ite

What does adding hydrogen do to the charge of an ion?

makes the charge positive by 1

BO₃^3-

borate

ClO₃ ^-

chlorate

if anion ends in -ide,

prefix hydro- suffix -ic

if anion ends in -ite

suffix -ous

if anion ends in -ate,

suffix -ic