Arrange the following ions `Na^(+) , Mg^(2+) , Al^(3+)` in increasing
size of gaseous ions.

Explanation

To arrange the ions \( \text{Na}^+ \), \( \text{Mg}^{2+} \), and \( \text{Al}^{3+} \) in increasing size of gaseous ions, we can follow these steps:

### Step 1: Identify the number of protons and electrons in each ion.
- **Sodium ion (\( \text{Na}^+ \))**:
- Protons: 11
- Electrons: 10 (since it loses one electron)

- **Magnesium ion (\( \text{Mg}^{2+} \))**:
...