Chemistry, asked by iabuseurcat, 8 months ago

Why is 3d orbital filled before 4s orbital? Chemistry class 11

Answers

Answered by lohith0612

Answer:

The aufbau principle explains how electrons fill low energy orbitals (closer to the nucleus) before they fill higher energy ones. ... This means that the 4s orbital which will fill first, followed by all the 3d orbitals and then the 4p orbitals.

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