Which of the following statements are correct : (A) The coordinatio...

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Which of the following statements are correct :
(A) The coordination number of each type of ion in \( \mathrm{CsCl} \) crystal is 8 .
\( \mathrm{P} \)
(B) A metal that crystallises in bcc structure has a coordination number of 12.
(C) A unit cell of ionic crystal shares some of its ion with other unit cells.
W
(D) The length of the unit cell in \( \mathrm{NaCl} \) is \( 552 \mathrm{pm} .\left(\gamma_{\mathrm{Na}^{+}}=95 \mathrm{pm}, \gamma_{\mathrm{CT}^{-}}=181 \mathrm{pm}\right) \)
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