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The properties of lithium and berlium an...

The properties of lithium and berlium and their compounds differ far more fore those of the other group-1 and group-2 elements and compounsds. Lithium compounds may show closer similarities woth group-2 elements (particularly Mg) than they show toward their own group. Similarly Be resemble Al.
Diagonal relationships does not exidt between the pait of

A

Li,Be

B

Li,Mg

C

Be,Al

D

B,Si

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The correct Answer is:
A
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