Cerium Oxide Erbium Oxide, Yttrium Oxide Samarium Oxide, Terbium Oxide Ytterbium Oxide, Vanadium Pentoxide Dysprosium Oxide, Europium Oxide Holmium Oxide, Praseodymium Oxide Neodymium Oxide, Ytterbium Metal Thulium Metal, Lutetium Metal Holmium Metal, Dysprosium Metal Terbium Metal, Gallium Metal Lanthanum Metal