The number of atoms contained in a fcc unit cell of a monoatomic substance is

Options

A. 1
B. 2
C. 4
D. 6

Explanation

To determine the number of atoms contained in a face-centered cubic (FCC) unit cell of a monoatomic substance, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Structure of FCC**:
- A face-centered cubic (FCC) unit cell has atoms located at each of the eight corners of the cube and at the center of each of the six faces.

2. **Calculate Contribution from Corner Atoms**:
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