anonymous
  • anonymous
The mass number of an atom is obtained by totaling the number of _____ and _____. (1 point) electrons and protonselectrons neutronsprotons and neutrons neutrons and isotopes
Mathematics
katieb
  • katieb
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anonymous
  • anonymous
total number of protons and neutrons in the nucleus
anonymous
  • anonymous
You get the mass when you add up the number of protons and neutrons in the core. The electrons do not matter in that calculation.

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