Chemistry, 09.07.2019 14:30 kailibug2287
Calculate the average atomic mass of rubidium. rubidium has two isotopes, & rb and 7rb. 85rb has an atomic mass of 84.912 amu and occurs at an abundance of 72.17% 87rb has an atomic mass of 86.909 amu and occurs at an abundance of 27.83% show your work.
Answers: 1
Chemistry, 22.06.2019 21:50
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Chemistry, 23.06.2019 00:30
When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two
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The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?
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Calculate the average atomic mass of rubidium. rubidium has two isotopes, & rb and 7rb. 85rb has...
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