Orbital Energies for Many-Electron Atoms

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Andy Liao 1B
Posts: 52
Joined: Thu Jul 13, 2017 3:00 am

Orbital Energies for Many-Electron Atoms

Postby Andy Liao 1B » Sun Oct 29, 2017 2:30 pm

I don't really understand why the orbital energies for many-electron atoms are higher than the orbital energies for a hydrogen atom. Can someone please explain?

RahilVaknalliDis3A
Posts: 17
Joined: Fri Sep 29, 2017 7:06 am

Re: Orbital Energies for Many-Electron Atoms

Postby RahilVaknalliDis3A » Sun Oct 29, 2017 2:49 pm

The nucleus of many-electron atoms has a higher charge than the hydrogen nucleus and this causes it to attract electrons more strongly. The repulsion of electrons opposes nuclear attraction and raises the energy of the orbitals. The hydrogen atom has no electron electron repulsions.


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