Drawing MO diagrams

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Sydmon Nguyen-Tran 1N
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Joined: Wed Sep 21, 2016 2:59 pm

Drawing MO diagrams

Postby Sydmon Nguyen-Tran 1N » Thu Nov 10, 2016 11:48 am

When drawing MO diagrams for atoms in Period 3, is it necessary to draw the 2nd shell Molecular orbitals in addition to the 3rd shell molecular orbitals?

Alexandra Watts 3L
Posts: 14
Joined: Wed Sep 21, 2016 2:56 pm

Re: Drawing MO diagrams

Postby Alexandra Watts 3L » Thu Nov 10, 2016 1:37 pm

Only the valence electrons need to be drawn

Posts: 22
Joined: Fri Jul 22, 2016 3:00 am

Re: Drawing MO diagrams

Postby Melanie_Wong_1K » Thu Nov 10, 2016 1:42 pm

Remember that MO diagrams are supposed to show resonance structures, molecules with unpaired elections, and information about the bond energies which all depend on valence electrons and how they bond with other atoms. The important information should be in which electrons are left unpaired and drawing the inner shells would only tell you those are completely filled. So, yeah, only the valence shell needs to be drawn.

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