BeO possesses a........ lattice with coordination number of ……………. .

Explanation

To answer the question regarding the lattice structure and coordination number of beryllium oxide (BeO), we can break it down into a step-by-step solution:

### Step 1: Identify the Structure of Beryllium Oxide
Beryllium oxide (BeO) is known to form a specific type of crystal structure. In this case, it is formed by a hexagonal close-packed (HCP) arrangement.

**Hint for Step 1:** Consider the common crystal structures formed by ionic compounds and identify which one applies to BeO.

### Step 2: Determine the Type of Lattice
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