Ammonium
Hydroxide
Chlorate
ClO3−
Nitrate
NO3 -
Carbonate
CO3 2-
Chromate
CrO4 2-
Sulphate
SO4 2-
Phosphate
PO4 3-
Cyanide
CN -
Acetate
C2H3O2 -
Hypochlorite
CLO-
Chlorite
ClO2-
Carbonite
CO2 2-
Nitrite
NO2 -
Sulphite
SO3 2-
Phosphite
PO3 3-
Per Chlorate
ClO4 -
Hunds rule
orbitals are filled singly before being doubly occupied