Among the following oxides, how many have NaCi type structure BeO, MgO

1.	Among the following oxides, how many have NaCi type structure BeO, MgO, CaO, BaO, SrO
Answer» Solution :Except Be (4 : 4 coordination) remaining oxides of IIA group elements have NaCI TYPE STRUCTURES with 6 : 6 coordination i.e MGO, CaO, BaO, SrO

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