Electron Configuration Rules

Moderators: Chem_Mod, Chem_Admin

Ramneet Sandhu 3D
Posts: 50
Joined: Fri Aug 30, 2019 12:16 am

Electron Configuration Rules

Postby Ramneet Sandhu 3D » Sun Nov 03, 2019 6:05 pm

Can someone please explain Pauli's Exclusion Principle and Hund's Rule? Thanks!

Sadhana_Dicussion_4A
Posts: 51
Joined: Sat Sep 07, 2019 12:19 am

Re: Electron Configuration Rules

Postby Sadhana_Dicussion_4A » Sun Nov 03, 2019 6:09 pm

The Pauli Exclusion principle states that in an atom, or molecule, no two electrons can have the same four quantum numbers since they cannot be at the same place at the same time with the same energy. Also, it states that an orbital can have a maximum of two electrons and electrons in the same orbital have to have opposite spins. The Hund's Rule states that all orbitals have to be filled by a one electron first before pairing them up with another electron.

Philip
Posts: 100
Joined: Sat Sep 07, 2019 12:16 am

Re: Electron Configuration Rules

Postby Philip » Sun Nov 03, 2019 10:08 pm

Hund's Rule states that each suborbital will be filled with electrons of parallel spins
Pauli's Exclusion Principle states that you can't have the same spin for paired electrons

AGaeta_2C
Posts: 112
Joined: Wed Sep 18, 2019 12:21 am

Re: Electron Configuration Rules

Postby AGaeta_2C » Sun Nov 03, 2019 11:12 pm

The Pauli Exclusion Principle basically states that no more than 2 electrons can occupy a single orbital. Hund's Rule states that due to electron/electron repulsion, orbitals must be occupied by one electron before they can be occupied by a second electron.

005162902
Posts: 102
Joined: Wed Sep 18, 2019 12:15 am

Re: Electron Configuration Rules

Postby 005162902 » Sun Nov 03, 2019 11:17 pm

Pauli's exclusion principle limits orbitals to only 2 electrons each (1 pair of electrons per orbital). Hund's rule states that an orbital must be occupied by one electron before it can be occupied by a second.


Return to “Trends in The Periodic Table”

Who is online

Users browsing this forum: No registered users and 2 guests