jjepsen1 jjepsen1

20-09-2020
Chemistry

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an isotope has 17 protons 20 neutrons and 18 electrons

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francineex0o francineex0o

20-09-2020

Add proton + neutrons = Mass 37

Proton is same as your atomic mass= 17

If you go on the periodic table look up 17 and it will give u the letter.

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