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How many protons, electrons, and neutrons does an atom with atomie number 50 and mass number 125 contain?
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A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?
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How many protons, electrons, and neutrons does an atom with atomie number 50 and mass number 125 con...
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