Thread:YingHe/@comment-36159587-20191004051220/@comment-36159587-20191004052642

Maybe I'll find ways to memorize by his features or something.

Or I'll type it here.

Acetate: C2H3O2^-

Ammonium: NH4^+

Bicarbonate: HCO3^-

Bisulfite: HSO3^-

Carbonate: CO3^2-

Chlorate: ClO3^-

Chlorite: ClO2^-

Cyanide: CN^-

Dichromate: Cr2O7^2-

Hydroxide: OH^-

Iodate: IO3^-

Nitrate: NO3^-

Nitrite: NO2^-

Oxalate: C2O4^2-

Permanganate: MNO4^-

Phosphate: PO4^3-

Phosphite: PO3^3-

Sulfate: SO4^2-

Sulfite: SO3^2-

-Galaxian-