Yttrium Page 27
Yttrium is an element on the Periodic Table. Its color is metallic silver. It's used in making tv tubes, ceramics, glass, and other things. Its atomic number is 39. It is not a rare earth but occurs in nearly all rare earth minerals. Minerals are elements that originate in the earth and can't be made by living things. Rare Earth means any of a group of metallic elements in the lanthanide series.