A) exhibiting maximum covalency in compounds
B) forming polymeric hydrides
C) forming covaient halides
D) exhibiting amphoteric nature in their oxides
Correct Answer: A
Solution :
Since, be andhave diagonal relationship and so possess similar properties but Be can not form polymeric hydrides. Alternate Solution Berylliumshow maximum covalency of 4 but aluminiumshow maximum covalency of 6. Therefore, aluminium form polymeric hydrides but the beryllium do not form.You need to login to perform this action.
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