gabrielamayen9 gabrielamayen9
  • 08-01-2020
  • Chemistry
contestada

An atom with 39 protons and a mass number of 89 what is the number of neutrons

Respuesta :

HSumar
HSumar HSumar
  • 08-01-2020

Answer:

50

Explanation:

the number of neutrons is gotten from the subtraction of the number of protons from the mass number

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