Cation
- It is positively charged. e.g., Na+.
- It is formed from metal atoms.
- On passing electric current, it moves towards cathode.
- It is smaller in size than its parent atom.
Anion - It is negatively charged. e.g., Cl-.
- It is formed from non metal atoms.
- On passing electric current, it moves towards anode.
- It is larger in size than its parent atom.