Lu
The symbol for the element lutetium.
| Lu The symbol for lutetium. |
| lutetium (l-tē'shē-əm) Symbol Lu A silvery-white metallic element of the lanthanide series that is used in nuclear technology. Its radioactive isotope is used in determining the age of meteorites. Atomic number 71; atomic weight 174.97; melting point 1,663°C; boiling point 3,395°C; specific gravity 9.840 (at 25°C); valence 3. See Periodic Table. |
networking
The country code for Luxembourg.
(1999-01-27)