Though nitrogen exhibits +5 oxidation state, it does not form pentahalide. Give reason.

Explanation

### Step-by-Step Solution:

1. **Understanding Oxidation States**:
- Nitrogen can exhibit various oxidation states, including +5. This is due to its ability to lose electrons from its outermost shell.

2. **Electronic Configuration of Nitrogen**:
- The atomic number of nitrogen (N) is 7. Its electronic configuration is 1s² 2s² 2p³. This means nitrogen has two electrons in the first shell and five electrons in the second shell.

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