1 Proton, When has 6 neutrons, mass number is 12, A noble gas with 10 protons, Has 16 electrons when neutral, Has 10 electrons when has a charge of +1, Has a -2 charge when has 10 electrons, When has 4 neutrons, mass number is 7, Has -1 charge when has 18 electrons, Has a +2 charge with 18 electrons, 13 protons, Mass number is 4 with 2 neutrons, Has -3 charge with 10 electrons.

Protons, Mass Number, Charge

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