How many protons are in the radioactive isotope ?

asked Mar 24, 2017 229k views

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I am assuming K is potassium and potassium atoms have 21 protons and 21 neutrons. hope that helps some

LearnerEarner answered Mar 26, 2017

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1 vote

ur question is incomplete never heard of it, if u mean 40/19k, the answer is 19.

Tarquin answered Mar 27, 2017

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