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If the lattice parameter for a crystalli...

If the lattice parameter for a crystalline structure is `3.6Å`, then the atomic radius of fcc crystals is

A

2.92 Å

B

1.27 Å

C

1.81 Å

D

2.10 Å

Text Solution

Verified by Experts

The correct Answer is:
B
Lattice parameter
`a=(4r)/(sqrt2)`
`r=(sqrt2a)/(4)=(sqrt2xx3.6)/(4)`
`=0.9xx1.41Å`
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