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Grade: 12
        
The closest distance between 2 atoms ( in terms of edge length) would be highest in for which unit cell ?  ( assuming edge lenght a for each unit cell)
Bcc or Fcc
4 years ago

Answers : (1)

Vasantha Kumari
askIITians Faculty
38 Points
							


FCC

BCC

2r = 2r = v2 a / 2

2r = 2r = v3 a / 2

In diamond, 2r = v3 a / 4

In primitive cubic, 2r = a

The closest distance between 2 atoms in BCC is highest.

Thanks & Regards,

Vasantha Sivaraj,

askIITians faculty

4 years ago
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