Helium is in the _______________ family. All elements in this family have ___________ valence electrons, except for Helium which has 2. Some chemical properties of elements in this family are __________________________________.
Helium is in the Noble Gases family. All elemnts in this family have eight valence electróns, except for Helium which has 2. Some chemical properties of elements in this family are odorlessandcolorless.
