The number of next nearest neighbours of \( \mathrm{Cs}^{+} \)ion in \( \mathrm{CsCl} \) crystal...

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The number of next nearest neighbours of \( \mathrm{Cs}^{+} \)ion in \( \mathrm{CsCl} \) crystal is
(a) 12
(b) 8
(c) 6
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