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If an isotope has 85 protons, 110 neutrons, and 85 electrons, it has a mass number of what?
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You have a sample of a metal, the sample is exactly 6.02 x 1023atom, if the sample has a mass 55.85 what metal is your sample made of?
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Of the following elements, which is the least reactive? a. c b. h c. li d. he
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If an isotope has 85 protons, 110 neutrons, and 85 electrons, it has a mass number of what?...
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