Question

given atomicity of compound : Mg(HCO 3 )2

Answer 1

Atomicity is the no atoms in a compound or molecule
Here
Mg=1
H=1*2=2
C=1*2=2
O=3*2=6
So, total no of atoms are 1+2+2+6=11 which is the atomicity of the compound.

Answer 2

hello friend!!!!!

here is ur answer.........

atomicity is the number of atoms in 1 compound

Mg 1

H 2*1 2

C 2*1 2

O 2*3 6

so the atomicity of the compound is 11

hope it helps u