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Nicolau Saker Neto
  • Member for 9 years, 4 months
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106 votes
5 answers
83k views

How do you melt metals with super high melting points?

  • 1,183
92 votes
2 answers
36k views

What is Bent's rule?

  • 17.9k
90 votes
7 answers
130k views

Why is the 2s orbital lower in energy than the 2p orbital when the electrons in 2s are usually farther from the nucleus?

79 votes
4 answers
39k views

Bonding in diatomic C2, a carbon-carbon quadruple bond?

73 votes
3 answers
17k views

Could a magnet pull oxygen out of the air?

  • 1,599
70 votes
3 answers
9k views

Why is it wrong to use the concept of hybridization for transition metal complexes?

  • 3,929
66 votes
1 answer
10k views

Why does F replace the axial bond in PCl5?

  • 1,417
64 votes
3 answers
21k views

Why doesn't H₄O²⁺ exist?

59 votes
4 answers
17k views

Are diamonds really forever?

  • 2,179
55 votes
6 answers
11k views

The last element's atomic number

51 votes
5 answers
9k views

How can antibonding orbitals be more antibonding than bonding orbitals are bonding?

  • 6,455
49 votes
3 answers
4k views

Unit of the equilibrium constant: contradiction of Bridgman's theorem?

49 votes
3 answers
23k views

What is the reason for the exceptional stability of the cyclopropylmethyl carbocation?

  • 1,417
49 votes
2 answers
27k views

Why is an S-S bond stronger than an O-O bond?

  • 10.2k
48 votes
3 answers
4k views

What happens to a radioactive carbon dioxide molecule when its carbon-14 atom decays?

  • 1,294
48 votes
4 answers
8k views

What is resonance, and are resonance structures real?

  • 15k
48 votes
3 answers
8k views

Is buckminsterfullerene aromatic?

  • 10.2k
48 votes
5 answers
82k views

Why does bond angle decrease in the order H2O, H2S, H2Se?

47 votes
1 answer
7k views

What's the biggest organic molecule that could have a smell?

  • 533
45 votes
4 answers
49k views

The reason behind the steep rise in pH in the acid base titration curve

  • 2,359
43 votes
3 answers
5k views

Do molecules with bridges through rings exist?

42 votes
6 answers
8k views

Can an atom bond with more than 8 other atoms?

  • 971
41 votes
7 answers
37k views

Is there any chemical that can destroy PTFE or Teflon?

  • 2,179
40 votes
3 answers
36k views

What is the difference between ∆G and ∆G°?

40 votes
3 answers
2k views

Is Hexafluorocyclohexane the "Most Polar" Small Molecule?

40 votes
2 answers
62k views

Why do SN1 and SN2 reactions not occur at sp2 centres?

39 votes
1 answer
11k views

Can 100% covalent bonds exist?

  • 3,353
38 votes
5 answers
6k views

How do I visualize an atom?

38 votes
10 answers
7k views

Why is chemistry unpredictable?

  • 475
36 votes
2 answers
2k views

IUPAC nomenclature for an interesting looking organic compound

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