Consider an atom of oxygen in which the nucleus contains 8 protons and 8 neutrons. If it is doubly ionized, what is the charge of the oxygen ion and how many electrons remain in the ion?
A) charge = +2; number of remaining electrons = 6
B) charge = +2; number of remaining electrons = 8
C) charge = ?2; number of remaining electrons = 10
D) charge = +2; number of remaining electrons = 2
A) charge = +2; number of remaining electrons = 6
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