The Unit Cell Of Aluminum Is A Cube With An Edge Length Of 405 Pm. The Density Of Aluminum Is 2.70 G Cm-3. The Type Of Unit Cell Is

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Question

The unit cell of aluminum is a cube with an edge length of 405 pm. The density of aluminum is 2.70 g cm-3. The type of unit cell is

Solution

Correct option is

Face centred cubic

 

we know that,

     

     

     

     = 3.9 = 4

Face centred cubic unit cell contains 4 atom per unit cell, therefore, the given unit cell is face centred cubic unit cell.

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