Which element gains two electrons to fill its outermost energy level?

(1 point)
Responses

selenium (Se)
selenium (Se)

magnesium (Mg)
magnesium (Mg)

fluorine (F)
fluorine (F)

lithium (Li)

2 answers

No, lithium (Li) loses one electron to fill its outermost energy level.
Are you sure it’s not Fluorine?