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toni toni
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11 years ago
For Example: How many protons and neutrons are contained in the neucleus of 238/94Pu   its supposed to be 238 over 94 Pu
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lfh
wrote...
11 years ago
it has 94 protons and therefore 94 electrons
it has (238 - 94) neutrons which is 144 neutrons
wrote...
11 years ago
subtract atomic mass from atomic number
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