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  • Sodium metal crystallizes in a body centered cubic lattice with the cell  <img alt="a=4.29\: A^{\circ}" src="https://entrancecorner.oncodecogs.com/gif.latex?a%3D4.29%5C%3A%20A%5E%7B%5Ccir

Sodium metal crystallizes in a body centered cubic lattice with the cell  a=4.29\: A^{\circ}. The radius of sodium atom is: 

Option: 1

2.85


Option: 2

1.85


Option: 3

4.35


Option: 4

2.12


Answers (1)

best_answer

We know:

Radius of Na in bcc lattice is given as: 

r=\frac{\sqrt{3}a}{4}\\Thus,\: r=\frac{\sqrt{3}\times 4.29}{4}=1.85 \AA

Therefore, ?Option (2) is correct

Posted by

Divya Prakash Singh

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