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Question: Answered & Verified by Expert
Beryllium and aluminium exhibit many properties which are similar. But the two elements differ in
Chemistrys Block ElementsNEET
Options:
  • A forming polymeric hydrides
  • B forming covalent halides
  • C exhibiting maximum covalency in compounds
  • D exhibiting amphoteric nature in their oxides.
Solution:
1666 Upvotes Verified Answer
The correct answer is: exhibiting maximum covalency in compounds
Be Z=4 has maximum covalency of 4 while Al Z=13 has maximum covalency of 6. In rest other properties they behave similarly due to diagonal relationship.

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