Bob Kiss wrote:
> HI AGAIN!
> Again, I am asking for confirmation. I thought that one isotope
> of Uranium (the one that was used for most uranium compounds for sale
> to we non governmental mortals) was stable and non radioactive and the
> other was unstable and radioactive. I seem to remember 235 and 238.
> Is it that one cannot get a pure sample of the stable isotope so any
> compound containing uranium would have traces of the unstable isotope
> and be slightly radioactive? Otherwise compounds made of the stable
> isotope shouldn't be radioactive at all.
Any element heavier than lead should decay and in the process be
considered radioactive, some more so than others, and with various
half-lives.
-- Jeffrey D. Mathias http://home.att.net/~jeffrey.d.mathias/Received on Wed Nov 19 07:34:08 2003
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