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Sodium metal crystallizes in body centre...

Sodium metal crystallizes in body centred cubic lattice with the cell edge, `a=4.29Å`. What is the radius of sodium atom?

A

1.86 A

B

3.22 A

C

5.72 A

D

0.93 A

Text Solution

Verified by Experts

The correct Answer is:
A
`r = (sqrt(3)a)/4 = (sqrt(3) xx 4.29)/4 = 1.86 A`
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