On the basis of their electronic configuration, explain why alkali metals are highly reactive?

Explanation

**Step-by-Step Solution:**

1. **Identify Alkali Metals:**
Alkali metals are the elements in Group 1 of the periodic table. They include Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), and Cesium (Cs).

2. **Understand Electronic Configuration:**
The general electronic configuration of alkali metals is \( ns^1 \), where \( n \) represents the principal quantum number. This means that all alkali metals have one electron in their outermost shell.

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