Question

Electron configuration for argon

Answer 1

Answer:

Argon

(Ar = 18 ) = 1s² 2s² 2p⁶ 3s² 3p⁶

Answer 2

We know that argon has 18e-

Thus by using the rule of 2n² where

• n = shell number and
• 2n² = max. no. of e- that could be filled in the shell.

The electronic configuration of

$_{18}Ar \: \: will \: be \: =$

= 2,8,8

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