EkybooachelbyL EkybooachelbyL

04-03-2017
Biology

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

Respuesta :

04-03-2017

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.

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