Question

Write down the electronic configuration of the following elements​

Answer 1

Explanation:

hope you help please send thanks for me

Answer 2

Question⤵

Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with an explanation.

3Li, 14Si, 11 Na, 15P

Which of these elements belong to be period 3?

Answer ⤵

3Li, 14Si, 11Na, 15p

Electronic configuration of the following elements is:

3 Li = 2,1

14 Si = 2,8,4

11 Na = 2,8,1,

15 P = 2,8,5

14 Si, 15 P belong to the third period because according to their electronic configuration , each element contains three shell i.e. K, L, M.

Hope helped