What Are 4 Elements That Have 7 Valence Electrons?
What Are 4 Elements That Have 7 Valence Electrons? The elements in this family are fluorine, chlorine, bromine, iodine, and astatine. Halogens have 7 valence electrons, which explains why they are the most active non-metals. They are never found free in nature. What elements has 7 valence electrons? Any element in the halogen group will