Define atomicity. What will be the atomicity of ozone and ammonia? [2 MARKS]
Each point: 1 Mark
1. Atomicity is the total number of atoms present in one molecule of an element or a substance.
2. a. The chemical compound ozone is composed of 3 oxygen atoms. Therefore atomicity is three.
b. The chemical formula of ammonia is NH3 in which there are 3 Hydrogen atoms and 1 Nitrogen atom. Therefore the atomicity is four.