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:

  • A
    $A_2B$
  • B
    $AB_2$
  • C
    $A_2B_3$
  • D
    $A_2B_5$

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