Question

lithium does not show similarities with other elements of the group.explain the reasons.

Answer 1

Bcz of 1 . small size. 2.high ionisation enthalpy. 3.absence of vacant d orbital

Answer 2

Differences between Lithium and Other Alkali Metals

Lithium is harder than other alkali metals.

Melting and boiling point is higher than other alkali metals.

Out of all the other alkali metals, it is the least reactive metal.

It is a strong reducing agent compared to other alkali metal.

It is the only alkali metal that forms its monoxide.

Compared to other alkali metals, it is not capable of forming solid hydrogen carbonates.

It does not react with ethyne to form ethynide. On the other hand, all other alkali metals form ethynide.

It reacts slowly with bromine as compared to other alkali metals.