From the title, I imagine the obvious reaction would be "No, posting someone else's answer as your own is stealing," at least to me. But the question I'm looking at is interesting: someone left an answer as a comment, and then the OP posted that as an answer. It was clearly attributed, but even s...

I'm trying to go through and provide answers to every unanswered question (search "closed:0 answers:0"), somewhat following the spirit that was blogged about at The Horror of No Answer: Revival and Necromancer . However, I'm finding this much more difficult than it needs to be, as many of the qu...

That's $m$, the magnetic quantum number which runs from $−\ell$ to $\ell$. It doesn't tell you much about the atom. It is a property of the orbital, not of the atom. Every atom has all these orbitals at once (some of them occupied and some empty); also, there are versions of each for different $n...

Ok folks, I admit this topic may not be that constructive, or too philosophical, but it may help people write better questions. I tend to be annoyed by questions starting with "why". For at least two reasons : This is the stereotypical question asked by children from the day they can speak. Th...