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Chemistry, 03.12.2021 03:50 wolffee895
Write the isotope notation for potassium with 19 protons and 21 neutrons
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Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
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Write the isotope notation for potassium with 19 protons and 21 neutrons...
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