2 ms·
Right. Eventually uranium 238 decays down to non-radioactive lead. http://www.ccnr.org/decay_U238.html http://www.ccnr.org/decay_U238.html
by mtreis86 11y ago
Right. Eventually uranium 238 decays down to non-radioactive lead. http://www.ccnr.org/decay_U238.html http://www.ccnr.org/decay_U238.html
- handelaar 11y agoInasmuch as if you'd had a pound of it when the earth was formed, you'd still have half a pound of it now, sure. Mathematically-speaking that remaining half pound of U238 will fully turn into lead approximately... never.