Question

Define the following terms with examples.
a) Molecules of elements
b) Molecules of compounds [2 Marks]

Answer 1

a) Molecules of elements
These are the molecules that are constituted by same type of atoms. Examples: $Ar$, $N_2$, $O_3$, etc.
[1 Mark]


b) Molecules of compounds
These are the molecules that are constituted by different types of atoms. Examples: CO, $N{H}_3$, $H_{2}O$, etc.
[1 Mark]