What is Aufbau Policy ?

What is Aufbau Policy ?
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Answer :

Aufbau principle is a kind of electron configuration principle. This principle is used to determine the electron configuration of an atom or ion. The Aufbau principle is: the electrons of an atom will enter according to the higher order of their energy.
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Related questions

Tell what would happen to the stability of an atom, with atomic number higher than18, if the aufbau principle was not introduced.

Description : Tell what would happen to the stability of an atom, with atomic number higher than18, if the aufbau principle was not introduced.

Last Answer : Ans. We cannot find out the exact reason of stability of an atom & why they should have filled inner orbits before outermost shell.

According to Aufbau principle , the `19^(th)` electron in an atom goes into the :-

Description : According to Aufbau principle , the `19^(th)` electron in an atom goes into the :-

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“Each electron in an atom must have its own unique set of quantum numbers” is a statement of--------? A. Aufbau principle B. Pauli exclusion principle (Answer) C. Hund’s rule D. Periodic law

Description : “Each electron in an atom must have its own unique set of quantum numbers” is a statement of--------? A. Aufbau principle B. Pauli exclusion principle (Answer) C. Hund’s rule D. Periodic law

Last Answer : B. Pauli exclusion principle (Answer)