praes0811 praes0811
  • 20-09-2021
  • Chemistry
contestada

Helium has 2 protons, 2 neutrons and 2 electrons. What is its mass in amu

Respuesta :

082978
082978 082978
  • 20-09-2021

Answer:

4

Explanation:

protons + 2amu for the neutrons)

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