What is the formula of the crystalline compound in which the atoms A are present at all the eight corners and atoms B at the centres of all the six faces ?

Explanation

To determine the formula of the crystalline compound where atoms A are located at all eight corners and atoms B are at the centers of all six faces in a cubic lattice, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Position of Atoms**:
- Atoms A are located at all eight corners of the cubic lattice.
- Atoms B are located at the centers of all six faces of the cubic lattice.

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