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Q.

Polonium crystallizes in a simple cubic structure. The edge of the unit cell is 0.236 nm. What is the radius of the polonium atom ?

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a

0.144 nm

b

0.156 nm

c

0.118 nm

d

0.102 nm

answer is D.

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Detailed Solution

a=2RR=0.2362=0.118nm
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Polonium crystallizes in a simple cubic structure. The edge of the unit cell is 0.236 nm. What is the radius of the polonium atom ?