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I need help to know how to calculate how to calculate how many electrons in each shell of an atoms. And if it's different how to find out how many valence electrons.
Katherine Martin On 2/16/15, Noah Ralph wrote: > I need help to know how to calculate how > to calculate how many electrons in each > shell of an atoms. And if it's different > how to find out how many valence > electrons.

Here is a link that might help you with valence elctrons

http://www.wikihow.com/Find-Valence-Electrons
Feb 16, 2015
Lee Benson On 2/16/15, Noah Ralph wrote: > I need help to know how to calculate how > to calculate how many electrons in each > shell of an atoms. And if it's different > how to find out how many valence > electrons. There can be no more that 7 energy levels or shells. The period tell you how many energy each element will have. The group number...See More
Feb 16, 2015
On 2/16/15, Lee Benson wrote: Here are a couple of tutorial videos that might help. the first is : https://www.youtube.com/watch?v=JkY06KnAvrU

here is another: https://www.youtube.com/watch?v=FQ-zsa42j_s

Also, here is a good rule: The maximum number of electrons that can fit in any given shell is given by 2n². That's shell number...See More
Mar 1, 2015


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