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An elements X ("At. mass=80g//mol") has ...

An elements X `("At. mass=80g//mol")` has fcc structure. Calculate no. of unit cell is 8gm of X:

A

`0.4 N_(A)`

B

`0.025 N_(A)`

C

`4 N_(A)`

D

`0.2 N_(A)`

Text Solution

Verified by Experts

The correct Answer is:
B
4 atoms `to 1`unit cell
1 atoms`to(1)/(4)`unit cell
`0.1N_(A)` atom `to (0.1)/(4)N_(A)` unit cell
`to0.025N_(A)` unit cell
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