Valence Electron Configuration

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Matthew_Vargas_2G
Posts: 18
Joined: Fri Jul 22, 2016 3:00 am

Valence Electron Configuration

Postby Matthew_Vargas_2G » Fri Nov 04, 2016 1:31 pm

How do you know how to write out the valence electron configuration just based on the molecule. For example 02 from the course reader on page 109. I'm not exactly sure how they know how to write it out.

Julia Javate 4J
Posts: 12
Joined: Wed Sep 21, 2016 2:58 pm

Re: Valence Electron Configuration

Postby Julia Javate 4J » Fri Nov 04, 2016 3:01 pm

I think that you can count how many valence electrons there are based on where it is on periodic table. For example, we know that oxygen has 6 valence electrons, and the example on pg 109 is O2... which is equal to 12 valence electrons. For its configuration, we just have to remember to molecular orbital theory and start filling it in from the bottom just like we would for electron configuration.

Hope this helps!


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