if a neutral element has the following chemical notation how many electrons does it have? fluorine 19



 the fluorine-19 indicates the nucleon number of the isotopes of fluorine,  the fluorine has an atomic number of 9 and therefore the isotope fluorine-19 has 10 neutrons
 it has 9 number of electrons
isotopes are atoms of same element with different neutron number but same atomic number, , they have same chemical property but different nuclear properties.

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