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Chemistry
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F'x
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133
Is a negative pH level physically possible?
Jul 31, 2013
67
If nothing sticks to Teflon, how does Teflon stick to frying pans?
Apr 26, 2012
64
How can one explain niobium’s weird electronic configuration?
Oct 29, 2012
61
Striking examples where Kohn-Sham orbitals clearly have no physical meaning
Mar 16, 2012
57
Can an atom have more than 8 valence electrons? If not, why is 8 the limit?
May 18, 2012
55
What makes some metals melt at higher temperature?
Apr 28, 2012
43
Why does sulfur, but not oxygen, catenate?
May 17, 2012
42
Bonding in diatomic C2, a carbon-carbon quadruple bond?
Aug 27, 2012
40
Why is the vanadium(3+) ion paramagnetic?
Apr 28, 2012
34
Why do impurities lower the melting point of an isolated substance?
Apr 25, 2012
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Are [software] questions on topic?
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Sex worker student offering her (lawful) services
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Rediscovery of calculus in 1994: what should have happened to that paper?
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"Unselect" or "Deselect"?
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Simulate a scanned paper
130
Asked again to review a paper, when the authors don't wish to modify it