Li is the only alkali metal which react directly with nitrogen and for

1.	Li is the only alkali metal which react directly with nitrogen and form Li3N.why
Answer» NUMBER of Lithium is 3 it's VALENCY is 1 Atomic number of nitrogen is 7 it's valency is 3To become stable a bond is formed where lithium gives away 3 electron to become stable & nitrogen ACCEPT them to COMPLETE the octet in the outermost shell

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