Historical Geology Ideas In Absolute Dating Wikibooks, Open Books For An Open World
The lack of 4 particles, on this case, two neutrons and two protons, also lowers the mass of the atom by 4. For instance, alpha decay takes place within the unstable isotope 238U, which has an atomic number of ninety two (92 protons) and a mass number of 238 (total of all protons and neutrons). …
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