Dysprosium (Dy), element 66 – Learn Acer periodic table

Dysprosium

Lanthanide, atomic number 66.

Dysprosium is a chemical element with the symbol Dy and atomic number 66. It is a rare earth element with a metallic silver luster. Dysprosium is never found in nature as a free element, though it is found in various minerals, such as xenotime.

Facts

Symbol Dy. Atomic mass 162.5001 u. Group 3, period 6. Electron configuration [Xe] 4f10 6s2. Electrons per shell 2, 8, 18, 28, 8, 2. State at room temperature: Solid. Melting point 1406.8 °C, boiling point 2566.8 °C. Discovered by Lecoq de Boisbaudran.

Element data from Wikipedia, CC BY-SA 3.0.