Electronic configuration of elements: KLMN shells.

You might need: Periodic table

The atomic number of calcium

(Ca)

20

Using K, L, M, N shells, write the electronic configuration of a neutral atom of $Ca$ ‍.
Note: Put $0$ ‍ in the empty shells.

**Electronic configuration**
K	L	M	N
Your answer should be an integer, like $6$ ‍	Your answer should be an integer, like $6$ ‍	Your answer should be an integer, like $6$ ‍	Your answer should be an integer, like $6$ ‍

Class 10 Chemistry (India)