Name the three of crystalline solids having the formula AB.

Explanation

To answer the question regarding the three types of crystalline solids with the formula AB, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Crystalline Solids**: Crystalline solids are materials whose constituents (atoms, ions, or molecules) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

2. **Identifying the AB Type**: In the context of crystalline solids, the formula AB indicates a type of solid where 'A' represents cations and 'B' represents anions. This means that the solid is composed of two different types of ions.

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