cubist8911 cubist8911
  • 04-02-2018
  • Chemistry
contestada

If an atom of the twelfth element (magnesium) has an atomic mass of 25, how many protons (p), neutrons (n), and electrons (e) does it have?

Respuesta :

marwa28
marwa28 marwa28
  • 10-02-2018
It has 12 protons and 12 electrons.
And it has 13 neutrons.
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kittenkaymcc
kittenkaymcc kittenkaymcc
  • 12-09-2018

12 protons, 12 electrons and 13 neutrons

Answer Link

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