Lutetium is a chemical element with the symbol Lu and atomic number 71. It is a silvery white metal, which resists corrosion in dry air, but not in moist air. Lutetium is the last element in the lanthanide series, and it is traditionally counted among the rare earths.
Who discovered lutetium?
Lutetium was actually the last lanthanide to be isolated in 1907; and was simultaneously discovered by three chemists working in different parts of the world. They were the Austrian Carl Auer von Welsbach, the American Charles James, and Georges Urbain from France.
What are 5 interesting facts about lutetium?
Lutetium Facts – Atomic Number 71 or Lu
- Lutetium was the last natural rare earth element that was discovered. ...
- The element originally was named lutecium. ...
- Lutetium is the hardest lanthanide element.
- It's also the most expensive lanthanide.
- Atoms of lutetium are the smallest of any lanthanide element.
