Question

What will be the atomicity of calcium phosphate

Answer 1

Above solution is wrong.

Atomicity is the total number of atoms present in the molecule.

Calcium phosphate

is Ca3(PO4)2

so total number of atoms = 3(calcium atom) + 2 (phosphorus atom) + 8(oxygen atom)

= 3+ 2 + 8 = 13

so atomicity of calcium phosphate is 13.