Sodium chloride contains two elements, but it is still a pure substance. Assign reason.

Explanation

**Step-by-Step Solution:**

1. **Understanding Sodium Chloride**: Sodium chloride, commonly known as table salt, has the chemical formula NaCl. It is composed of two elements: sodium (Na) and chlorine (Cl).

2. **Formation of Sodium Chloride**: Sodium and chlorine combine through a chemical reaction to form sodium chloride. This process involves the transfer of electrons from sodium to chlorine, resulting in the formation of ionic bonds.

3. **Nature of Chemical Compounds**: Sodium chloride is classified as a chemical compound. This means that it has a definite composition and distinct properties that are different from the individual elements that constitute it.

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