In $NaCl$ unit cell, all the ions lying along the axis as shown in the figure are removed. Then the number of $Na^{+}$ and $Cl^{-}$ ions remaining in the unit cell are [image:1_image1.emf]

Question

Dr. Abubacker · Accepted Answer

(a)
Since, in a unit cell of $NaCl$ crystal, the ions are arranged in the following manner.
[image:1_image4.emf]
When all the ions lying along the shown axis, the remaining unit cell contains $4\ Na^{+}$ and $4\ {Cl}^{-}$ ions.

Q. In $NaCl$ unit cell, all the ions lying along the axis as shown in the figure are removed. Then the number of $Na^{+}$ and $Cl^{-}$ ions remaining in the unit cell are

Explanation

Reviewed by Dr. Abubacker

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