Which of the following s-block elements forms | vedclass

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(D) Among the $s$-block elements,$Li$ (an alkali metal) and $Be$ (an alkaline earth metal) are known to form nitrides directly by reacting with $N_2$

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$Li$

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(D) Among the $s$-block elements,$Li$ (an alkali metal) and $Be$ (an alkaline earth metal) are known to form nitrides directly by reacting with $N_2$ due to their small size and high charge density. However,$Li$ is the only alkali metal that forms a stable nitride $(Li_3N)$ by direct combination with nitrogen. $Be$ also forms $Be_3N_2$. Given the options,$Li$ is the classic example of an alkali metal showing this property.

Which of the following $s$-block elements forms a nitride directly by reacting with $N_2$?

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