Electronic configuration of Sc^21 is

1.	Electronic configuration of Sc^21 is
Answer» `1s^22s^2 2p^6 3s^2 3p^6 4s^2 3d^1` `1s^22s^2 2p^6 3s^2 3p^6 4s^1 3d^2` `1s^22s^2 2p^6 3s^2 3p^6 4s^0 3d^3` `1s^22s^2 2p^6 3s^2 3p^6 4s^2 3d^2` SOLUTION :ACCORDING to AUFBAU's RULE

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