Differentiate between the following.
Atoms and molecules
Basis | Atom | Molecule |
Meaning | They are tiny particles of an element that can or cannot occur freely. | Molecule is a set of atoms that came together by a bond. Also, they are the smallest unit of a compound. |
Existence | They may or may not exist freely. | They exist in a free state. |
Contains | It contain a nucleus (proton, and neutron) and electron. | It contains two or more different or identical elements that bonded together. |
Shape | They have a spherical shape. | They have a triangular, linear or angular shape. |
Visibility | Not visible to naked eyes and also not to magnifying microscope | Not visible to naked eyes but are visible through a magnifying microscope |
Reactivity | They are highly reactive and subject to certain exceptions | It is comparatively less reactive. |
Bond | It has a nuclear bond. | It has a covalent bond. |