What's electron configuration of ions?

Electron Configuration of Ions.?

  • Does anyone know how to create the electron configuration of an ion such as F-(fluorine with an extra electron).

  • Answer:

    for Sr+2 you are correct but you dont need the 5s0 at the end

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Look at the proton number of Fluorine before it is an ion, it is 9 so when you add an extra electron you get 10 electorns so therefore the elctron configuration is 2,8 so it has a full outer shell

Anoushka1

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