Which elements are likely to be the Most reactive metals, based on the
 number of valence electrons? Why?*
 O Group 1/1A becuase it has one valence electron
 O
 Group 3/3A because it has both metals and metalloids
 о
 Group 17/7A because it has 7 Valence Electrons
 Group 18/8A because it has 8 Valence Electrons