MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistrySolid stateNumber of neighbours
The number of atoms contained (i) in one body centred cubic unit cell and (ii) in one face centred cubic unit cell, is
A.In (i) 2 and in (ii) 4✓ Correct
B.In (i) 3 and in (ii) 2
C.In (i) 4 and in (ii) 2
D.In (i) 2 and in (ii) 3
Explanation
Atoms at corner Atoms at faces Atoms at centre Total no. of atoms per unit cell bcc 8 1/ 8 1 x 0 1 2 Fcc 8 1/ 8 1 x 6 1/ 2 3 x 0 4
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