Formula of sodium phosphate is _________.
The valency of sodiumNa is +1.
The valency of phosphate radicalPO4is -3.
Therefore,the formula of sodium phosphate is Na3PO4.
Y is a monovalent metal.
Write the formula of its (a) sulphate (b) phosphate
Formula of a metallic oxide is MO. The formula of its phosphate will be