Give an example each of a molecular solid and an ionic solid.

Explanation

To answer the question of providing an example of a molecular solid and an ionic solid, we can follow these steps:

### Step 1: Understand the Types of Solids
Crystalline solids can be classified into four main types: molecular solids, ionic solids, covalent solids, and metallic solids. We need to focus on molecular and ionic solids for this question.

### Step 2: Identify Molecular Solids
Molecular solids are composed of molecules held together by intermolecular forces. These can be further classified into:
- Nonpolar molecular solids
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