chromium (II) chloride. its formula is CrF2
Cr2+ and Fl- = 8=D-
AlPO4
The subscript is 3. (NH4)3PO4
KCl
The sodium ion is Na+ and the oxide ion is O2-. Therefore the ionic compound formed between the two ions has chemical formula Na2O which is sodium oxide.
PbCrO4
AlPO4
AgNO3
The subscript is 3. (NH4)3PO4
(NH4)2CrO4
The chemical formula of lead chromate is PbCrO4.
The formula for the ionic compound barium chloride is BaCl2.
Cr2(CO3)3
KCl
CaBr2
The sodium ion is Na+ and the oxide ion is O2-. Therefore the ionic compound formed between the two ions has chemical formula Na2O which is sodium oxide.
PbCrO4
it is simply CaCl2