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In an ionic compound A^(+)X^(-), the rad...

In an ionic compound `A^(+)X^(-)`, the radii of `A^(+) and X^(-)` ions ar 1.0pm and 2.0om, respectively. The volume of the unit cell of the crystal AX will be:

A

27 `"pm"^(3)`

B

64 `"pm"^(3)`

C

125 `"pm"^(3)`

D

21 `"pm"^(3)`

Text Solution

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The correct Answer is:
D
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