From each set, choose the element with highest ionization enthalpy and explain your answer.
B,Al,Ga

Explanation

To determine which element among Boron (B), Aluminum (Al), and Gallium (Ga) has the highest ionization enthalpy, we can follow these steps:

### Step 1: Understand Ionization Enthalpy
Ionization enthalpy (or ionization energy) is the amount of energy required to remove an electron from an atom in its gaseous state. The higher the ionization energy, the more energy is needed to remove an electron.

**Hint:** Remember that ionization energy increases with a stronger nuclear charge and decreases down a group in the periodic table.

### Step 2: Analyze the Position of Elements
...