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Chemistry, 13.11.2019 05:31 priscillavaladez1112
Which of the following provided evidence that most of the mass of the atom, as well as all of the positive charge, is concentrated in a very small core (the nucleus)? 1. the analysis of x-ray wavelengths 2. the existence of elements with noninteger values for atomic weights 3. the deflection of ions in a mass spectrometer 4. the results of the millikan oil-drop experiment 5. the scattering of α particles by a metal foil
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Which of the following provided evidence that most of the mass of the atom, as well as all of the po...
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