Predict coordination umber of the cation in crystals of the following compounds : `(1). MgO:r_(c)=0.65Å, r_(a)=1.40Å` `(2). MgS:r_(c)=0.65Å, r_(a)=1.84Å`
A
6,4
B
4,6
C
3,4
D
6,8
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The correct Answer is:
A
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