In a crystal lattice of a compound, each corner of a cube is joined by sodium, each edge of a cube has oxygen and centre of a cube is joined by tungsten (W), then give its formula :

Options

A. `Na_(2)WO_(4)`
B. `NaWO_(3)`
C. `Na_(2)WO_(2)`
D. `Na_(2)WO_(3)`

Explanation

To determine the formula of the compound based on the given crystal lattice structure, we will analyze the contributions of each type of atom in the cube.

### Step-by-Step Solution:

1. **Identify the Atoms and Their Positions:**
- Sodium (Na) is located at each corner of the cube.
- Oxygen (O) is located at each edge of the cube.
- Tungsten (W) is located at the center of the cube.
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