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Which of the following is/are correct fo...

Which of the following is/are correct for fluorite structure `(CaF_2)` ?

A

`Ca^(2+)` ions are in ccp with fcc unit cell and `F^-` ions occupy all the tetrahedral voids

B

`Ca^(2+)` ion is surrounded by `4F^-` ions

C

Mass of one unit cell = mass of `4Ca^(2+)` + Mass of `4F^-`

D

C.N. of `F^-`=4 , C.No . `Ca^(2+)`=8

Text Solution

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The correct Answer is:
A, D
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