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Zn converts from its melted state to its...

`Zn` converts from its melted state to its soilds state, it has hcp structure ,thenfind out the number of nearest atoms.

A

`6`

B

`8`

C

`12`

D

`4`

Text Solution

Verified by Experts

The correct Answer is:
3
`ABAB…` type is hexagonal closest packing `(HCP)`. In `HCP` stacking ,each spher is in contact with `6` other spheres in its own layer. it also touches directly `3` spheres in then layer above and three spheres in the layer below,Thus a sphere has `12` closet neighbours.
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