Yttrium (Y), element 39 – Learn Acer periodic table

Yttrium

Transition metal, atomic number 39.

Yttrium is a chemical element with symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and it has often been classified as a "rare earth element". Yttrium is almost always found combined with the lanthanides in rare earth minerals and is never found in nature as a free element.

Facts

Symbol Y. Atomic mass 88.905842 u. Group 3, period 5. Electron configuration [Kr] 4d1 5s2. Electrons per shell 2, 8, 18, 9, 2. State at room temperature: Solid. Melting point 1525.8 °C, boiling point 2929.8 °C. Discovered by Johan Gadolin.

Element data from Wikipedia, CC BY-SA 3.0.