Cadi987 Cadi987
  • 16-11-2020
  • Chemistry
contestada

how to find the number of neutrons

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Respuesta :

kelly7822 kelly7822
  • 16-11-2020

Answer:

For all uncharged atoms, the number of electrons equals the number of protons. The mass number 40 is the sum of protons and neutrons. To find the number of neutrons, subtract the number of protons from the mass number.

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holland0550 holland0550
  • 16-11-2020

Answer:

mass number- protons

Explanation:

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