In an ionic compound \( A^{+} X^{-} \), the radii of \( A^{+} \)and \( X^{-} \)ions are \( 1.0 \... VIDEO
In an ionic compound \( A^{+} X^{-} \), the radii of \( A^{+} \)and \( X^{-} \)ions are \( 1.0 \mathrm{pm} \) and \( 2.0 \mathrm{pm} \), respectively. The volume of the unit cell of the crystal \( A X \) will be :
(a) \( 27 \mathrm{pm}^{3} \)
(b) \( 64 \mathrm{pm}^{3} \)
(c) \( 125 \mathrm{pm}^{3} \)
(d) \( 216 \mathrm{pm}^{3} \)
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