Question

three elements X Y and Z have atomic number 18 19 and 20 respectively how many electrons are present in the M shell of this elements​

Answer 1

Answer:

8 electrons are present in the M shell of all the three elements

Explanation:

E. C of X=(2,8,8)

E. C of Your=(2,8,8,1)

E. C of Z=(2,8,8,2)

Answer 2

Answer:

8 electrons are present in M shell of all the three elements