Q .     Beryllium show diagonal relationship with aluminium. Which one of the following properties is not shown by both?

JEE Mock Mains 06/23
A

BeO and `Al_2O_3` amphoteric

B

`Be_2C` and `Al_4C_3` are methanides

C

Both have same maximum covalency

D

Both occur together in nature in beryl

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