# How do atoms and molecules relate to each other?

Apr 25, 2016

If you take the example of ${H}_{2}$ :
There are two atoms in it but ${H}_{2}$ represents 1 molecule of hydrogen.
If you take the example of ${H}_{2} O$,then there are two atoms of hydrogen and one atom of oxygen in 1 molecule of water ( i.e. ${H}_{2} O$).