The coordination number of h.c.p. or c.c.p. structure is 12, that is, – InterviewSolution

1.	The coordination number of h.c.p. or c.c.p. structure is 12, that is, one atom touches 12 other atoms. The 12 atoms lie as
Answer» 8 ATOMS are on the same plane, 2 above and 2 below the plane 6 atoms are on the same plane, 3 above and 3 below the plane 4 atoms are on the same plane, 4 above and 4 below the plane 2 atoms are on the same plane, 5 above and 5 below the plane Answer :B

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