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kayboo15

  • 3 years ago

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

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  1. anunisha
    • 3 years ago
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    total number of protons and neutrons in the nucleus

  2. TomLikesPhysics
    • 3 years ago
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    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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