Question

valency of lithium is 1 give scientific reason.​

Answer 1

Answer:

lithium has 1 valence electron in his last shell so it is valency is 1

Answer 2

Answer:

as we know atomic no. of lithium is 3

and valency means no. of electrons present in the last shell of the atom

the electronic configuration of lithium is 2,1

and hence valency of lithium will be 1