YT2095 Posted December 27, 2007 Posted December 27, 2007 a Thought just occurred to me, if you have a Beryllium isotope that Alpha decays wouldn`t you get TWO lots of alpha from one decay? since 2 elements down from Be is He.
insane_alien Posted December 27, 2007 Posted December 27, 2007 no, because beryllium 8 does not undergo alpha decay. an alpha particle has to have 2 neutrons and beryllium 8 would be the only one able to to eject 2 alphas without any excess neutrons and such.
swansont Posted December 28, 2007 Posted December 28, 2007 no, because beryllium 8 does not undergo alpha decay. an alpha particle has to have 2 neutrons and beryllium 8 would be the only one able to to eject 2 alphas without any excess neutrons and such. Be-8 splits into two alphas in very short order. It's one of the rare even-even nuclei on/near the line of stability that's not stable, since alphas are so tightly bound. The other nearby unstable Be isotopes beta decay.
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