Chemistry, asked by deekshakhveda58, 1 month ago

electronic configuration of first 30 elements after calcium k,l,m,n shell

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Answered by sharmababita10021986

5

All of these shells are filled except the 3p shell which has four electrons.

...

Electronic Configuration of First 30 Elements with Atomic Numbers.

Atomic Number Name of the Element Electronic Configuration

18 Argon (Ar) [Ne] 3s2 3p6

19 Potassium (K) [Ar] 4s1

20 Calcium (Ca) [Ar] 4s2

21 Scandium (Sc) [Ar] 3d1 4s2

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