Knowltonj8 Knowltonj8
  • 25-05-2019
  • Chemistry
contestada

the number of protons and neutrons in an atom is known as the
A.) isotope. B.) atomic number. C.) mass number. D.) energy level.

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boyisbob
boyisbob boyisbob
  • 25-05-2019

Answer:

Its B. Just look at google.

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Аноним Аноним
  • 25-05-2019

Answer:

The number of protons and neutrons in an atom is known as the mass number. C.)

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