By What Process Does Thorium-230 Decay To Radium-226 - Web thorium has a characteristic terrestrial isotopic composition and thus a standard atomic weight can be given. Web chemistry questions and answers. Web radioactive decay occurs when an unstable (radioactive) isotope transforms to a more stable isotope, generally by emitting a.
Web chemistry questions and answers. Web radioactive decay occurs when an unstable (radioactive) isotope transforms to a more stable isotope, generally by emitting a. Web thorium has a characteristic terrestrial isotopic composition and thus a standard atomic weight can be given.