Entity: LUTETIUM
Lutetium is a rare-earth metal element with symbol Lu and atomic number 71. It is a silvery white metal that has limited practical applications, including use as a catalyst in cracking and a radiation source for cancer treatment.
Lutetium
Etymology
The name Lutetium is derived from Lutetia, the Latin name for Paris.
Definition
Lutetium is a metallic chemical element of the rare-earth group with symbol Lu and atomic number 71. It is a silvery white metal that has limited practical applications, including use as a catalyst in cracking and a radiation source for treatment of certain cancers.
Historical Context
Lutetium is the last element in the lanthanide series and is traditionally counted among the rare earth elements. It is known for its resistance to corrosion in dry air.
Cultural Significance
Lutetium has few cultural associations due to its limited practical applications, but its properties make it valuable in certain scientific and medical contexts.
Related Concepts
Lutetium is related to other rare-earth elements in the lanthanide series, such as yttrium and scandium.
See Also
- Rare Earth Elements
- Periodic Table
A metallic chemical element of the rare-earth group that has few practical applications but is sometimes used as a catalyst in cracking and as a radiation source for treatment of certain cancers.