13. Potassium-40 is a radioactive isotope of potassium that is present in the human
body. How many neutrons are present in its nucleus?
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13. Potassium-40 is a radioactive isotope of potassium that is present in the human
body. How many neutrons are present in its nucleus?
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Answer:
21 neutrons
Potassium 40 contains odd numbers of both - 19 protons and 21 neutrons. As a result it has one bachelor proton and one bachelor neutron. In both argon 40 and calcium 40, however, the number of protons and neutrons are even, granting them that extra stability