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Blaise
  • Member for 7 years, 7 months
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179 votes
8 answers
163k views

Can an atom have more than 8 valence electrons? If not, why is 8 the limit?

  • 1,907
244 votes
3 answers
35k views

Why is gold golden?

  • 10.6k
49 votes
2 answers
27k views

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

  • 10.2k
5 votes
1 answer
8k views

Molecular term symbols for excited state oxygen

  • 455
47 votes
2 answers
6k views

Are the lone pairs in water equivalent?

  • 12.6k
7 votes
2 answers
5k views

Which one, Mulliken charge distribution and NBO, is more reliable?

  • 756
8 votes
1 answer
4k views

Understanding group theory easily and quickly [closed]

33 votes
1 answer
3k views

Is there an energy cost associated with flipping the spin of an electron?

  • 4,559
28 votes
1 answer
3k views

Suggest methods and basis sets for a variety of systems

  • 525
8 votes
1 answer
2k views

Shape of nickel tetracarbonyl

16 votes
1 answer
2k views

Are the canonical orbitals of Hartree-Fock also the natural orbitals?

  • 11.4k
4 votes
2 answers
2k views

When is donation into an anti-bonding MO stabilising?

1 vote
1 answer
1k views

Why does copper have a high enthalpy of atomisation when it has a half filled d sub shell? [closed]

3 votes
2 answers
858 views

Deriving the irreps of the d-orbitals under C3 and S6 operations in octahedral symmetry

  • 1,606
15 votes
2 answers
794 views

After a unitary transformation, is Koopmans' theorem still valid?

  • 12.6k
4 votes
1 answer
561 views

Why does NH3 cause pairing in case of some metal complexes and doesn't in case of others?