Respuesta :
The correct answer out of all the choices in the question is D. Se2-.
This will be the ion formed by the selenium atom when it has a stable set of valence electrons. So the correct answer will be D. Se2-. I hope this answer helped you.
This will be the ion formed by the selenium atom when it has a stable set of valence electrons. So the correct answer will be D. Se2-. I hope this answer helped you.