When considering the octet rule, the explanation of the O2- ion is
A) a loss of two electrons to get closer to 8 in the energy level.
B) when an oxygen atom gains two electrons, it has the same electron arrangement as neon, an inert gas.
C) oxygen's nuclear charge of 8 can only hold 8 electrons in the outer shell.
D) oxygen is an exception to the octet rule.
Correct Answer:
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