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What the atomic number of an atom that has 30 neutrons and a mass number of A= 70
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In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?
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What the atomic number of an atom that has 30 neutrons and a mass number of A= 70...
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