Explain the following of sodium chloride.

Explanation

### Step-by-Step Solution for Explaining Sodium Chloride

1. **Identify the Chemical Formula**:
- The chemical formula for sodium chloride is NaCl. This indicates that it is composed of sodium (Na) and chlorine (Cl) ions.

2. **Understand Sodium (Na)**:
- Sodium has an atomic number of 11. This means it has 11 protons and, in its neutral state, 11 electrons.
- The electron configuration of sodium is 2, 8, 1. This shows that sodium has 2 electrons in the first shell, 8 in the second shell, and 1 in the outermost shell.
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