The co-ordination number of zinc in zinc blende (Zns) is ___
A
6
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B
4
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C
8
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D
12
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Solution
The correct option is A 4 ZnS occurs in two common polytypes, zincblende (also called sphalerite) and wurtzite. The two types have these features in common: a 1:1 stoichiometry of Zn:S. a coordination of 4 for each ion (4:4 coordination)