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If a fluorine atom has a mass number of 19, how many neutrons are in the atom?
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If a fluorine atom has a mass number of 19, how many neutrons are in the atom?

User AlgoMan
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1 Answer

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Answer: 10 neutrons

Explanation: Fluorine-19 is composed of 9 protons, 10 neutrons, and 9 electrons. Its abundance is 100%; no other isotopes of fluorine exist in significant quantities.

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User Muthukumar Marichamy
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