Which element is an alkali metal: Rubidium or Aluminum? Chemistry The Periodic Table Metals and Nonmetals 1 Answer Bio Nov 5, 2015 Rb Explanation: Rb is in Group I. Al is in Group III. Answer link Related questions How are metalloids different from metals? How many nonmetals are there in the periodic table? Why are metalloids described as semiconductors? Why metals are good conductors of electricity? Why are metals malleable? What elements are metals? Why are metals ductile instead of brittle? Why do nonmetals form anions? What nonmetals are most chemically reactive? What elements are liquid at room temperature? See all questions in Metals and Nonmetals Impact of this question 3233 views around the world You can reuse this answer Creative Commons License