Chemistry, 02.08.2019 03:00 ghari112345

Potassium-40 (40k) is a radioactive isotope of potassium (atomic number 19). how many neutrons are located in the nucleus of potassium-40?

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Potassium-40 (40k) is a radioactive isotope of potassium (atomic number 19). how many neutrons are l...

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