Question

Taking the example of an element of atomic no. 16, explain how the electronic configuration of the atom of an element relates to its position in the modern periodic table and how valency of an element is calculated on the basis of its atomic number.

Answer 1

2 electron in k shell
8 electron in l shell
6 electron in m shell

Answer 2

atomic no.-16 is sulphur .electronic configuration of the atom of an element is 2,8,6 . position is 3rd period and 16th group.