Question

In a face-centred cubic lattice, atom (A) occupies the corner positions and atom (B) occupies the face centre positions. If one atom of (B) is missing from one of the face-centred points, the formula of the compound is ______.

Options

• A₂B₅

• A₂B₃

• AB₂

• A₂B

Answer 1

In a face-centred cubic lattice, atom (A) occupies the corner positions and atom (B) occupies the face centre positions. If one atom of (B) is missing from one of the face-centred points, the formula of the compound is A₂B₅.