acaciablueperso acaciablueperso 22-02-2020 Chemistry contestada An element in the halogen family with an electron configuration of 1s^22s^22p^63s^23p^5, contains ____ valence electrons and has a common ionic charge of ____? A. 7, +1 B. 7, -1 C. 5, -3 D. 5, +5