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Lutetium Element Facts

https://nanografi.com/blog/lutetium-element-facts-/

Photo retrieved from https://uwaterloo.ca/chemistry/international-year-chemistry/periodic-table-project/lutetium
- Lutetium is a chemical element with symbol Lu and atomic number 71
-Origin of name of Lutetium is Lutetia, the ancient name of Paris.
- Lutetium is the last element in the lanthanide series, and is traditionally counted among the rare earths.
- Lutetium is a silvery white metal, which resists corrosion in dry, but not in moist air.
- Lutetium is not a particularly abundant element, although it is significantly more common than silver in the earth's crust.
- Lutetium is considered to be non toxic.
- Lutetium tarnishes slowly in air and burns at 150 oC to the oxide.
- Lutetium is the densest and hardest of the lanthanides.
- When present in compounds, lutetium exists usually in the trivalent state, Lu3+ Most of its salts are colorless.
- Lutetium oxide is used to make catalysts for cracking hydrocarbons in the petrochemical industry.
- 177Lu is used in cancer therapy and because of its long half-life, 176Lu is used to date the age of meteorites.
- Lutetium oxyorthosilicate (LSO) is currently used in detectors in positron emission tomography (PET). This is a noninvasive medical scan that creates a three-dimensional image of the body’s cellular activity.
- Lutetium is not found free in nature but is found in a number of minerals, mainly monazite

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