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Valence electrons - definition from Biology-Online.org
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Valence electrons

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Biology IQ test: How smart are you = look

... The oxygen generated by photosynthesis is coupled with the removal of electrons from water in PSI. 14) Plants perform photosynthesis and do not ... from protons that once were in the stroma 20) Most, if not all, of the valence electrons on the carbon atoms in your body were recently in a water ...

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by DemiMike
Sat Nov 28, 2009 6:21 am
 
Forum: General Discussion
Topic: Biology IQ test: How smart are you = look
Replies: 3
Views: 8453

Possibilities for Alien Life

... makes silicon a practical alternative to carbon. It also has four valence electrons and can form similarly endless chains of itself. Sulfur would be oxygen substitute ...

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by alextemplet
Mon Nov 16, 2009 6:23 am
 
Forum: General Discussion
Topic: Possibilities for Alien Life
Replies: 9
Views: 4655

Any SOLID arguments against evolution?

... and carbon to four. These numbers all have to do with the number of valence electrons each atom has, and they put an absolute limit on the number of different ways a molecule ...

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by alextemplet
Sun May 31, 2009 10:36 pm
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 309
Views: 430754

Electrons... To be or not to be...

... made of metal and metals are good conductors because of the their free valence electrons and in the case of transition metals, they have a d orbital which also contribute ...

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by mith
Fri Feb 13, 2009 4:23 pm
 
Forum: General Discussion
Topic: Electrons... To be or not to be...
Replies: 14
Views: 6505

Re: "H - C = C - H" doesn't make sense chemically why?

As Mith points out, the full valence of carbon is 4. It will prefer to share its four electrons with its bonding partners. The structure as drawn has the carbons sharing only three electrons ...

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by blcr11
Mon Aug 18, 2008 6:35 pm
 
Forum: General Discussion
Topic: "H - C = C - H" doesn't make sense chemically why?
Replies: 3
Views: 3652
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