Science, asked by stacybrown9154, 9 months ago

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how aufbau principle is an applicable to classify Modern Periodic table in different blocks ?​

Answers

Answered by gkjmanoranjan
0

Answer:

Aufbau comes from the German word "Aufbauen" which means "to build". In essence when writing electron configurations we are building up electron orbitals as we proceed from atom to atom. As we write the electron configuration for an atom, we will fill the orbitals in order of increasing atomic number. The Aufbau principle originates from the Pauli’s exclusion principle which says that no two fermions (e.g., electrons) in an atom can have the same set of quantum numbers, hence they have to "pile up" or "build up" into higher energy levels. How the electrons build up is a topic of electron configurations.

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Answered by Vanshika4721
1

Hy...

=> The Aufbau principle originates from the Pauli's exclusion principle which says that no two fermions (e.g., electrons) in an atom can have the same set of quantum numbers, hence they have to "pile up" or "build up" into higher energy levels. How the electrons build up is a topic of electron configurations.

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