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From: BURT on 18 Feb 2010 15:09
On Feb 18, 8:32 am, maxwell <s...(a)shaw.ca> wrote:
> On Feb 17, 8:52 am, glird <gl...(a)aol.com> wrote:
>
> > On Feb 16, 12:32 pm, Occidental <Occiden...(a)comcast.net> wrote:
>
> > > Are there any elements for which the orbital velocity of electrons is
> > > a significant fraction of the velocity of light?
>
> >  Probably in all of them, in the outermost "valennce bond" layer.
> > (In hydrogen atoms the electrons orbital speed is
> >       c' = cFs = 2.1876923 x 10^8 cm/sec,
> > in which Fs denotes the Fine Structure Constant.)
> >   To those who disagree, note that the numerical value
> > of Planck's quantum of action is precisely
> >  h = 2pirmc', in which m is the weight of an electron and
> > r is the radius of its orbital path in an H atom.
>
> > glird
>
> By 'no' I meant, excluding variations of the order alpha (1/137) or
> higher.  Sommerfeld's 1916 theory included SRT effects & came out with
> the same results as Dirac's relativistic electron theory - an
> embarrassing 'coincidence' for those who believed the 'Old QM' was
> wrong.

Electrons are not two clouds.

Mitch Raemsch
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