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write the symbolic notation of an isotope of an element having 8 protons 8 electrons and 11 neutrons click on the Templates button

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QuarkyFermion
since its an isotope the neutrons have different numbers. therefore look at the atomic (proton) number instead of the relative atomic mass number.

hope it helps.If it does,dont mind putting it as the brainliest answer xD
Ver imagen QuarkyFermion