Chemistry structure of an atom

form2

Nitrate

NO−​
3

Nitrite

NO-

2

Carbonate:

CO^2−​
3

Sulphate:

SO^2−​
4

Sulphite:

SO^2−​
3

Phosphate:

PO^3−​
4

Hydroxide:

OH⁻

Hydronium:

H3​O⁺

Hydrogen Sulphate

HSO^−​
4

Chromate (VI):

CrO^2−​
₄

Dichromate (VI):

CrO^2−​
₇

Manganate:

MnO^-
4