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Chemistry, 30.10.2020 18:50, kaylaamberd
Fluorine 19 has an atomic number of 9 and a mass number of 19 How many neutrons does an atom of fluorine 19 contain ?
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Answers: 3
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Fluorine 19 has an atomic number of 9 and a mass number of 19 How many neutrons does an atom of fluo...
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