CaS exists in a cubic close packed arrangement of S^{2-} ions in which Ca^{2+} ions occupy 1/2 of the available tetrahedral holes. How many Ca^{2+} and S^{2-} ions are contained in the unit cell ?

NEET 2021 Model Test Paper 5

Question : 88 of 180

Marks: +1, -0

CaS exists in a cubic close packed arrangement of S‌2− ions in which Ca‌2+ ions occupy

of the available tetrahedral holes. How many Ca‌2+ and S‌2− ions are contained in the unit cell ?

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