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What are uranium three natural occurring isotopes?
Due to the fact that more than 99 % of all natural uranium is U-238, the average atomic mass is 238. The isotope U-234 is also a natural isotope (0.0058%); the uranium average mass is 238.02891 ±...
Any given element has a specific number of protons, but the number of neutrons varies; an isotope has a specified number of nucleons (protons plus neutrons). Hydrogen 1 has no neutrons, hydrogen 2...