The atomic mass of potassium is 39. if its atomic number is 19, how many neutron are there

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asked Feb 3, 2018 96.7k views

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Manvel · Answer 1 · 2018-02-09T13:44:47+0000

19. The atomic number indicates how many neutrons there are, and the atomic mass tells us how many protons and neutrons are present within the nucleus of an atom.

The atomic mass of potassium is 39. if its atomic number is 19, how many neutron are there

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