A compound of M and X atoms has a cubic unit cell. M atoms are at the corners and body centre position and X atoms are at face centre positions of the cube. The molecular formula of the compound is
(a)MX
(b)$\mathrm{MX}_{2}$
(c)$\mathrm{M}_{3} \mathrm{X}_{2}$
(d)$\mathrm{M}_{2} \mathrm{X}_{3}$
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
M: 8 corners × 1/8 + 1 body centre = 2; X: 6 faces × ½ = 3 → M₂X₃.