Question

Lithium and beryllium, the first elements of Group 1 and Group 2 respectively exhibit

some properties which are different from those of the other members of the respective

group.why​

Answer 1

Answer:

The main reason is due to their small sizes and high polarizability

due to this its compds are covalent in nature.

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Answer 2

Answer: hope it helps

Explanation:

Lithium and beryllium, the first elements

of Group 1 and Group 2 respectively exhibit

some properties which are different from those

of the other members of the respective group.

In these anomalous properties they resemble

the second element of the following group.

Thus, lithium shows similarities to magnesium

and beryllium to aluminium in many of their

properties