What type of crystalline solid is boron nitride? Why?

Explanation

To determine the type of crystalline solid that boron nitride is, we can follow these steps:

### Step 1: Identify the Composition of Boron Nitride
Boron nitride (BN) is composed of boron (B) and nitrogen (N) atoms.

**Hint:** Look at the elements that make up the compound to understand its bonding characteristics.

### Step 2: Analyze the Bonding in Boron Nitride
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