rochellehunt72
rochellehunt72 rochellehunt72
  • 14-01-2021
  • Chemistry
contestada

If an element has 12 protons, 13 neutrons, and 15 electrons, what is its mass?

Respuesta :

yazewers yazewers
  • 19-01-2021

Answer:

25

Explanation:

mass number = protons + neutrons

= 13 + 12 = 25

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