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An ion has 9 protons, 10 neutrons, and 10 electrons. The symbol for the ion is:



17O2+


17O2-


19F-


17Ne2+

Sagot :

Answer:

flourine 19F-

Explanation:

because we have 1 extra electron so the charge should be negative, then check the number of protons to know the atomic number, and 9 is flourine

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