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Strike441 [17]
3 years ago
14

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

Biology
1 answer:
NISA [10]3 years ago
3 0
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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