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Pauli Exclusion Principle

Posted: Sun Oct 20, 2019 2:05 pm
by Sally kim 4F
Can someone please explain what the Pauli Exclusion Principle is?

Re: Pauli Exclusion Principle

Posted: Sun Oct 20, 2019 2:10 pm
by Rodrigo2J
The Pauli Exclusion Principle basically states that no more than 2 electrons can occupy the same orbital at once and if an orbital does have 2 electrons, the spin will be paired.

Re: Pauli Exclusion Principle

Posted: Sun Oct 20, 2019 2:12 pm
by philipraj_1F
All it is that you can only have a maximum of two electrons per orbital.

Re: Pauli Exclusion Principle

Posted: Sun Oct 20, 2019 2:13 pm
by Yuri Lin 4H
The Pauli Exclusion principle says that each orbital can only have two electrons, and if two electrons are in the same orbital, they must have opposite spins. I think the 'exclusion' part of the principle simply means that once you know the spin of one electron, the other cannot be the same and is therefore antiparallel.

Also, this lends itself to the concept that no two electrons in an atom can have the exact same set of quantum numbers, because if each orbital has a unique set of 3 quantum numbers and each one of the two electrons in the orbital has a different spin number, then each electron must have a unique set of four quantum numbers.

Re: Pauli Exclusion Principle

Posted: Sun Oct 20, 2019 2:27 pm
by Joelle 3L
The Pauli Exclusion Principle says that no two electrons can have the same sign. For instance, an orbital can contain two electrons at most and both electrons must have opposing signs. This can be represented an upward and downward arrow visually.

Re: Pauli Exclusion Principle

Posted: Sun Oct 20, 2019 8:16 pm
by 305303255
It basically says that an orbital can only have a max of 2 electrons, and that 2 electrons can't have the same sign.

Re: Pauli Exclusion Principle

Posted: Sun Oct 20, 2019 8:31 pm
by Shimei_2F
It basically says that in an atom or a molecule, 2 electrons can’t have the same four electronic quantum numbers. The two electrons in an orbital must have opposite spins.

Re: Pauli Exclusion Principle

Posted: Sun Oct 20, 2019 8:37 pm
by Tahlia Mullins
The Pauli Exclusion Principle basically states that each orbital can only have two electrons, and since they are in the same orbital, these electrons must have opposite spins, which is shown by the arrows pointing in the opposite direction.

Re: Pauli Exclusion Principle

Posted: Sun Oct 20, 2019 9:02 pm
by Shail Avasthi 2C
No two electrons may have the same 4 quantum numbers. i.e. two electrons in the same orbital must have opposite spins. It is not possible for them to have the same spin.

Re: Pauli Exclusion Principle

Posted: Sun Oct 20, 2019 9:04 pm
by Max Madrzyk Dis 4G
The Pauli Exclusion Principle states that no one orbital can have more than 2 electrons and that those two electrons cannot have the same quantum number.