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How do you place electrons accordingly?

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How do you place electrons accordingly?

Post  karooomph on Tue Jan 06, 2009 11:24 am

take germanium, lets say, it has a total of 32 electrons, so how would I know how many to place in each energy level?

like, I'm pretty sure you have to place a couple (2, i think) in the next energy level before putting more in your current level once you're at a certain point.

Gr. 9 math, should be straight forward, thx
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Re: How do you place electrons accordingly?

Post  bfrsoccer on Tue Jan 06, 2009 8:58 pm

1s22s22p63s23p63d104s24p2 is Germanium's electron configuration (there are some slightly different conventions used to write electron configurations - the one I used put the valence electrons at the end, which makes the electrons be more in the order of when they are lost, from right to left, instead of having the 4s subshell before the 3d subshell, which is the order they electrons are filled in)

You can pretty much go left to right, then top to bottom using this chart to see where to put the electrons, with some exceptions.

So basically, you have:

Subshell name - Sections
-------------------------
s - 1
p - 3
d - 5
f - 7

There are two electrons in each, uh, "section" of the subshell, each with opposite "spins" (so the s orbital can hold 2 electrons, etc. as the chart shows). This diagram shows how different orbitals have different sections. Somebody else can probably elaborate on this more if I missed anything.
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Re: How do you place electrons accordingly?

Post  funion987 on Tue Jan 06, 2009 10:30 pm

I think this pretty much explains what you need to know. If you have any further questions, post.



Germanium is the second square from the left in 4p. You can see which energy levels are where.
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thanks guys!

Post  karooomph on Wed Jan 07, 2009 11:20 am

thank you
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