Each unit cell of NaCl consists of 4 chloride ions and

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Question: Answered & Verified by Expert

Each unit cell of NaCl consists of 4 chloride ions and

ChemistrySolid StateNEET

Options:

A $13 {Na}^{+} ions$
B $4 {Na}^{+} ions$
C $6 {Na}^{+} ions$
D $8 {Na}^{+} ions$

Solution:

1019 Upvotes Verified Answer

The correct answer is:

4 {Na}^{+} ions

NaCl

has fcc structure. Thus, each unit cell has

4 {Na}^{+}

and

4 {Cl}^{-}

in it. It has 6 : 6 coordination number.

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