anonymous
  • anonymous
The value of Zeff for a valence electron in an atom of silicon is?
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
|dw:1332459342581:dw| eff is in the subscript of z
anonymous
  • anonymous
http://answers.yahoo.com/question/index?qid=20101215073052AAvicPr that should help.
anonymous
  • anonymous
huh

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anonymous
  • anonymous
I searched your question on google.
anonymous
  • anonymous
doesnt look like that person and I asked the same question
anonymous
  • anonymous
Is this chemistry?
anonymous
  • anonymous
yea
anonymous
  • anonymous
It would help me better understand you question if you rephrase it.
anonymous
  • anonymous
one sec
anonymous
  • anonymous
Perhaps take a snapshot of the problem and upload it as a "Attach File" (:
anonymous
  • anonymous
1 Attachment
Rogue
  • Rogue
Zeff is the effective nuclear charge. It is given by:\[Z_{eff} = Z - \S\]Where Z is the # of protons, S is the # of non-valence electrons. Silicon has 14 protons; its electron configuration is [Ne] 3s2 3p2. Its non-valence electrons is in the n = 1 and n =2 shells. There are 2 electrons in n = 1 and 8 in n = 2, so there are a total of 10 non-valence electron.\[Z_{eff} = 14 - 10 = 4\]
anonymous
  • anonymous
I think that file gave me a virus :( lol ever since I downloaded it..my computer is a snail all of a sudden :P but ehh might be just internet connection :P
Rogue
  • Rogue
:O might wanna get your computer scanned (but don't download those scanning programs from online, they screwd my computer one time, lol).
anonymous
  • anonymous
:P lmao well thanks to this site if I need technical computer help I'll head over to the Computer section! XD I use Avast and Malwarebytes along with SuperAnti Spyware :P
Rogue
  • Rogue
What's the best anti-virus software? I thought it was Kaspersky.
anonymous
  • anonymous
did you really get a virus from the file i posted?
anonymous
  • anonymous
hey rogue is the non valence electrons for chlorine 7?
Rogue
  • Rogue
Chlorine has 7 valence electrons in the 2nd shell; it has 2 non valence in the 1st shell.
anonymous
  • anonymous
so the total is 9 and the zeff would be 17-9 =11?
Rogue
  • Rogue
9 protons, 2 non valence. Zeff = 9 - 2 = 7
anonymous
  • anonymous
Yes. and Rogue nah lol Bitdefender is the best if you want to pay but Avast is the best free one and along with malwarebytes and superantispyware its just as good as bitdefender which is the top of all anti viruses. Kaspersky is just average and the fact that you pay for it is not worth it :P
anonymous
  • anonymous
wait what does it mean by Determine the effective nuclear charge for a valence electron in an atom of chlorine.
Rogue
  • Rogue
I think that's all they're looking for in this question, but you will slightly trickier questions when they might ask you stuff like the Zeff for n = 2 when the element has up to n = 4.
anonymous
  • anonymous
can you answer this one then Determine the effective nuclear charge for a valence electron in an atom of chlorine.
anonymous
  • anonymous
what is this asking
anonymous
  • anonymous
It saying how much charge do you think that a Valence electron has.
anonymous
  • anonymous
Asking*
anonymous
  • anonymous
Like what is the most effective charge in one atom of Chlorine (:
anonymous
  • anonymous
how do you go about determining that
Rogue
  • Rogue
Its the same question as the silicon one, except its for chlorine.
Rogue
  • Rogue
Or are you asking about the trickier one I was talking about?
anonymous
  • anonymous
oh ok
anonymous
  • anonymous
Exactly so just do the same formula Rogue showed you for Silicon but input Chloring instead of Silicon :P
anonymous
  • anonymous
Chlorine*
anonymous
  • anonymous
do your know about beams and moment of inertia?
anonymous
  • anonymous
physics stuff
Rogue
  • Rogue
Uhh... I'm only taking normal baby physics atm, so not sure... You might wanna ask in the physics section :P
anonymous
  • anonymous
ok thanks for the help
anonymous
  • anonymous
:P

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