What is atomic radius of an element if it crystallises in BCC structure with edge length of unit cell 287 pm ?
What is atomic radius of an element if it crystallises in BCC structure with edge length of unit cell 287 pm ?
- 124 pm
- 131 pm
- 137 pm
- 174 pm
Solution
For bec unit cell, $4 r=\sqrt{3} a$
$\therefore \quad r=\frac{\sqrt{3}}{4} a=\frac{1.732 \times 287}{4}=124 \mathrm{pm}$
Asked in: MHT CET 2024 (11 May Shift 2)
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