Model+of+the+Oxygen+Atom

There are: 8 protons in the nucleus mostly 7 neutrons, but there are __not__ only 7 neutrons. 8 electrons in the energy levels, 2 in the first level, and 6 in the second level The Atom of oxygen has a total mass of 15.9994 AMU

This is a bohr model of oxygen, when there are 8 protons and 8 neutrons

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