Bohr's+Model+of+Sodium+(anouk)

This is a Bohr's Model of the nucleus of Sodium: As you can see, it has 11 Protons, and 12 neutrons, because the atomic mass is about 23. To make it an balanced atom, it has to have the same amount of electrons as protons, thats why is has 11 elecctrons aswell.

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