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Videos 1 - 2 for Isotopes of molybdenum13:59 -1 year ago can be used to analyze radiogenic and stable isotopes in order to determine the concentrations of different isotopes in a sample, ages of rocks, and sample ... video.google.com more open pop 50:14 -1 year ago mass which is the sum of the proton number and the neutron number. We talked about isotopes, and whatnot. Today, I want to continue. So far, we've put looking at static elements ... youtube.com more open pop |
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