The number of lone pairs of electrons in the nitrogen atom in ammonia molecule is?

Explanation

To determine the number of lone pairs of electrons in the nitrogen atom in an ammonia molecule (NH₃), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Atomic Structure of Nitrogen**:
- The atomic number of nitrogen (N) is 7. Therefore, its electron configuration is 1s² 2s² 2p³. This means nitrogen has a total of 5 valence electrons (2 from 2s and 3 from 2p).

2. **Determine the Valence Electrons**:
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