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Silver crystallies in face centred cubic...

Silver crystallies in face centred cubic (fcc) unit cell. If the radius of silver atom is 145 pm, what is the length of each side of the unit cell ?

Text Solution

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For fcc cell
Radius `= (sqrt(3))/(4)a`
a = 316.5 pm
Radius `= (sqrt(3))/(4) xx 316.5` pm
`= (1.732)/(4) xx 316.5`
= 334.87 pm
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