Chloride ion
Cl-
Bromide ion
Br-
Fluoride ion
F-
Iodide ion
I-
Hydroxide ion
OH-
Nitrate ion
NO3^-
Ethanoate ion
CH3COO^-
Oxide ion
O^2-
Sulfide ion
S^2-
Sulfate ion
SO4^2-
Carbonate ion
CO3^2-
Hydrogencarbonate ion
HCO3^-
Phosphate ion
PO4^3-
Nitride ion
N^3-
Phosphide ion
P^3-