melanietapia37 melanietapia37

Today at 2:04 PM
Chemistry

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Why do electrons enter the 4s orbital before entering the 3d orbital?

Answer :

HELPMEASAP7 HELPMEASAP7

Today at 2:09 PM

because the 4s orbitals have a lower energy than the 3d, and so the 4s orbitals are filled first.

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