Which of the following ions would be unlikely to exist, based on the octet rule?

Name: Which of the following ions would be unlikely to exist, based on the octet rule?
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Question

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According to the octet rule, atoms tend to gain, lose, or share electrons in order to have a full outer shell of eight electrons (except for hydrogen, which only needs two). The ion in option A (S^3-) has 13 electrons in its outer shell, which would be too many to exist stably in most cases.

Which of the Following Ions Would Be Unlikely to Exist