Answer:
Selenium (Se) has an atomic number, and belongs to group 6A. So it will have 6 valence electrons. When two electrons are gained by selenium atom, it forms an anion having charge of -2.
Explanation:
Sana makatulong
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Answers & Comments
Answer:
Selenium (Se) has an atomic number, and belongs to group 6A. So it will have 6 valence electrons. When two electrons are gained by selenium atom, it forms an anion having charge of -2.
Explanation:
Sana makatulong