Question

Give reason how would you differentiate between a molecule of an element and a molecule of a compound? Write one example of each type.

Answer 1

Molecule of an element is made of same type of atom that is atom of same element .
example; $H_2$, $O_2$, $N_2$
Molecule of a compound is made of two or more different kinds of atoms.
example; $C{O}_2$, $H_{2}O$, $HCl$