Question

1. If Z = 10, what would be the valency of the element? Also name the element?​

Answer 1

Answer: if Z=3 it means it is number 3 as Z represent the atomic number and the atomic number of Lithium is 3 and in its configuration, we will get K=2 and L=1 so valency is 1 as when the number of electrons in the outermost shell is 1,2,3,pr4 the valency is same as 1,2,3,&4 respectively.