What is the charge on the simple ion formed by selenium?
Question
What is the charge on the simple ion formed by selenium?
Solution
Selenium is in Group 16 of the periodic table, also known as the oxygen family. Elements in this group have six valence electrons. To achieve a stable electron configuration, these elements need to gain two electrons to have a full outer shell. Therefore, the simple ion formed by selenium would have a charge of -2.
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