16-02-2021
Chemistry

contestada

Why do electrons fill the 1st energy level before the 5th?

Respuesta :

phemmyemerald phemmyemerald

16-02-2021

Answer:

Because of hundi's law of maximum electron and aufbau principle

Explanation:

hundi's law state that an electron will fill a degenerative orbitals singly first before pairing occur

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