1.

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

Answer»

27 `"PM"^(3)`
64 `"pm"^(3)`
125 `"pm"^(3)`
21 `"pm"^(3)`

Answer :D


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