Question

Choose a compound which has 5 atoms in one molecule of it.

a. NaOH

b. CH3COOH

c. H2SO4

d. CaCO3​

Answer 1

I think its

d. CaCO3 because

The formula of Calcium Carbonate is CaCO3. Atomicity is defined as the number of atoms present in the molecule of a compound . CaCO3 is made up of 1 atom of calcium , 1 atom of carbon and 3 atoms of oxygen . Thus , Atomicity of Calcium Carbonate is 5 .