Question

राइट द स्टेप्स इन वर्ल्ड इन राइटिंग द केमिकल फार्मूला ऑफ कैल्शियम फास्फेट​

Answer 1

symbol of Calcium is Ca

and it's valency is 2

symbol of phosphate is PO4

and its valency is 3

by interchanging valency

formula of calcium phosphate is

Ca3(PO4)2