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Nickle crystallise in a fcc unit cell wi...

Nickle crystallise in a fcc unit cell with a cell edge length of 0.3524 nm. Calculate the radius of the nicke atom

A

0.1624 nm

B

0.1246nm

C

0.2164 nm

D

0.1426 nm

Text Solution

Verified by Experts

The correct Answer is:
B
For an fcc lattice, `d_("face") = asqrt(2)`
or `4r_(Ni) = a sqrt(2)`
`r_(Ni) = (asqrt(2))/4 = sqrt(2)/4 xx 0.3524 = 0.1246 nm`
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