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Metallic Gold crystallise in fcc lattic...

Metallic Gold crystallise in fcc lattice and the length of cubic unit cell is 407 pm.
(Given : Atomic mass of Gold =`197 ,N_(A)=6xx10^(23)`)
The density if it have `0.2%` Schottky defect is `(" in gm"//cm^(3))`

A

`4.86`

B

`9.72`

C

`19.48`

D

`19.44`

Text Solution

Verified by Experts

The correct Answer is:
D
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