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  • Stuck here, help me understand: The coordination number of HCP is

The coordination number of HCP is

  • Option 1)

    8

  • Option 2)

    10

  • Option 3)

    6

  • Option 4)

    12

 

Answers (1)

In NCP packing the coordination number of atom is 12. 6 in Same plane, 3 in upper plane and 3 in lower plane.

 

 

Distance between octahedral void and tetrahedral void -

\frac{\sqrt{3}a}{4}

- wherein

a = edge length of cube

 

 


Option 1)

8

This is incorrect

Option 2)

10

This is incorrect

Option 3)

6

This is incorrect

Option 4)

12

This is correct

Posted by

subam

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