The number of molecules in a unit cell of fluorite is (A) 2 (B) 4 (C) 6 (D) 8 \( \mathrm{P} \)

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The number of molecules in a unit cell of fluorite is
(A) 2
(B) 4
(C) 6
(D) 8
\( \mathrm{P} \)
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