Question

What is Aufbau principle?​

Answer 1

Explanation:

The aufbau principle, from the German Aufbauprinzip, also called the aufbau rule, states that in the ground state of an atom or ion, electrons fill atomic orbitals of the lowest available energy levels before occupying higher levels. For example, the 1s subshell is filled before the 2s subshell is occupied

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Answer 2

Answer:

he gave a method to write electronic configuration

Explanation:

ye Jo Tu Dekh Raha hai arrow ye batayenge electron kis me fill Hoga

Dekh pehale electron 1s 2s 2p 3s aisa Apne Ko bharna hai arrow Jaise jate hai vaise bharna hai

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