Question

atomicity of ;
(a) phosphorus
(b) k₂co₃
(c) HCO₃⁻

Answer 1

(a) 4
(b) 6
(c) 5
Atomicity is the no. of atoms in a compound irrespective of it charge

Answer 2

hello
(a) Phosphorus - tetra-atomic
(c) HCO₃⁻ tetra-atomic
(b) k₂co₃-poly-atomic