Chromate salts contain the chromate ion, CrO -42 -
The chromate ion has an intense yellow color. The dichromate ion has an intense...
Chromate ion's have a -2 charge. !
CrO42- is the formula for the chromate ion.
The formula and charge from a Chromate ion is CrO42? (negative charge). !
The symbol for the polyatomic ion Chromate is CrO42.