mendadri6512 mendadri6512
  • 23-10-2020
  • Biology
contestada

what is the total charge of 2 protons, 1 neutron and 2 electrons

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caitlonwagoner
caitlonwagoner caitlonwagoner
  • 23-10-2020

Answer:

helium

Explanation:

The number of protons is the atomic number, and the number of protons plus neutrons is the atomic mass. For hydrogen, the atomic mass is 1 because there is one proton and no neutrons. For helium, it is 4: two protons and two neutrons.

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