Ionic formulas need to be criss-crossed in order to make sure the compound is neutral. Only chemical symbols and subscripts are in chemical formulas. No roman numerals and no exponents are necessary.
Ionic formulas need to be criss-crossed in order to make sure the compound is neutral. Only chemical symbols and subscripts are in chemical formulas. No roman numerals and no exponents are necessary.
The formula for Ca3(PO4)2 is
The formula for potassium chromate is
The formula for copper(I) sulfate is
The formula for ammonium nitrate is