yuffltf7761 yuffltf7761
  • 01-07-2017
  • Chemistry
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The sodium atom contains 11 electrons, 11 protons, and 12 neutrons. what is the mass number of sodium?

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JohnGrubb
JohnGrubb JohnGrubb
  • 01-07-2017
23 is the mass number of this sodium isotope
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