Re: Bohr's Atom still number one
- From: bz <bz+spr@xxxxxxxxxxxxxxxxxxxx>
- Date: Wed, 2 May 2007 23:55:56 +0000 (UTC)
"guskz@xxxxxxxxxxx" <guskz@xxxxxxxxxxx> wrote in
news:1178142990.583307.260730@xxxxxxxxxxxxxxxxxxxxxxxxxxxx:
Meaning as the electron approaches or moves away from the nucleus a
photon is shed or absorbed.
Incorrect.
The position is not known well enough to be able to say that it moves
toward or away from the nucleus at the time a photon is absorbed or
emitted. The fact is that that the position of the electron is 'uncertain'.
All we know for sure is that the energy level of the electron( and the
quantum numbers associated with the electron) change. The probability
distribution changes. The AVERAGE distance from the nucleus changes. But
the electron, itself, at the moment of emission, may very well NOT move at
all.
We do know that in molecules, the positions of the nuclii do NOT change
immediately. See the Frank-Condon Principle.
--
bz
please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
infinite set.
bz+spr@xxxxxxxxxxxxxxxxxxxx remove ch100-5 to avoid spam trap
.
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