`MgCl_2`, is __________ compound. (an electrovalent/a covalent)

Explanation

To determine whether `MgCl_2` (magnesium chloride) is an electrovalent (ionic) or covalent compound, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Types of Bonds**:
- Ionic bonds (also known as electrovalent bonds) are formed when there is a complete transfer of electrons from one atom to another, resulting in the formation of charged ions.
- Covalent bonds are formed when atoms share electrons, usually occurring between nonmetals.

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