Yttrium

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Identification

Molecular formula
Y
CAS Number
7440-65-5
IUPAC Name
yttrium
Molecular Weight
88.91g/mol
Melting Point
(Celsius)
Boiling Point
(Celsius)
Density
4.4720g/cm3
Appearance
when in its pure form, although it will often tarnish or become darkened when oxidized.
Synonyms
YTTRIUM
Interesting facts

Interesting Facts about Yttrium

Yttrium is an intriguing element for scientists and chemistry students alike. As a member of the rare earth metals, it has several unique characteristics and applications that make it an essential subject of study. Here are some compelling insights about yttrium:

  • Atomic Discovery: First discovered in 1794 by the Swedish chemist Johan Gadolin in a mineral called gadolinite, yttrium was named after the Swedish village of Ytterby, where many rare earth elements were initially found.
  • Colorful Applications: Yttrium compounds are widely used in producing red phosphors for color television tubes and LED lights, making a significant impact on how we enjoy visual entertainment.
  • Superconductivity: The compound yttrium barium copper oxide (YBCO) is a high-temperature superconductor discovered in the 1980s. This breakthrough has led to advances in magnetic levitation and power transmission.
  • Medical Uses: Yttrium-90, a radioactive isotope of yttrium, is used in targeted radioimmunotherapy for treating certain types of cancer, notably non-Hodgkin lymphoma.
  • Material Innovation: Yttrium is a key component in various alloys, giving strength to metals while improving resistance to oxidation and corrosion, which is crucial in aerospace and medical applications.

Yttrium, represented as 39Y in the periodic table, is a versatile element that bridges chemistry with various technological advancements. Its significance in both traditional and modern applications makes it a fascinating element for further exploration.

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