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A flourine atom has a atomic number of 9. how many electrons does a fluorine ion, with a charge of -1 have?

April 26, 2017Atom Atomic Chemistry electrons flourine Mathematics

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A flourine atom has a atomic number of 9. how many electrons does a fluorine ion, with a charge of -1 have?

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The atomic number is the number of protons, which have a single positive charge. There are also 10 neutrons, but they have no cahrge. Thus, to balance out the 9 positive charges you need 9 negative ones, i.e.