Which element gains three electrons to fill its outermost energy level?
(1 point)
Responses
boron (B)
boron (B)
selenium (Se)
selenium (Se)
magnesium (Mg)
magnesium (Mg)
phosphorus (P)
(1 point)
Responses
boron (B)
boron (B)
selenium (Se)
selenium (Se)
magnesium (Mg)
magnesium (Mg)
phosphorus (P)