Geography, 28.06.2020 02:01, kingtaco321

Use the periodic table and what you know about mass numbers to complete each statement. U-238 has protons and146 neutrons. A particular isotope of plutonium has 94 protons, neutrons, and a mass number of 241. Thorium- has 90 protons and 137 neutrons.

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Use the periodic table and what you know about mass numbers to complete each statement. U-238 has pr...