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Physics, 17.09.2019 14:20 fatherbamboo

What element has 2 protons, 2 neutrons and 2 electrons.
what element has 3 protons, 3 neutrons and 3 electrons.
what element has 11 protons, 11 neutrons and 11 electrons.

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What element has 2 protons, 2 neutrons and 2 electrons.
what element has 3 protons, 3 neutrons...

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