CoE - ionic compouds + rules

ammonium

NH₄¹⁺

acetate

CH₃COO¹⁻

hydroxide

OH¹⁻

nitrate

NO₃¹⁻

nitrite

NO₂¹⁻

bicarbonate

HCO₃¹⁻

permanganate

MnO₄¹⁻

perchlorate

ClO₄¹⁻

chlorate

ClO₃¹⁻

chlorite

ClO₂¹⁻

hypochlorite

ClO¹⁻

sulfate

SO₄²⁻

sulfite

SO₃²⁻

carbonate

CO₃²⁻

chromate

CrO₄²⁻

dichromate

Cr₂O₇²⁻

phosphate

PO₄³⁻

starts w/ per-

1 extra oxygen atom

ends with -ate

parent (remember these)

ends with -ite

1 less oxygen atom than a compound that ends with -ate

hyper & -ite

2 less oxygen atoms

starts with bi-

add an H⁺