Gadolinium is a chemical element with the symbol Gd and atomic number 64. The spelling of the word Gadolinium is fairly straightforward. The first syllable, "ga," is pronounced like the word "gah" with a short "ah" sound, while the second syllable, "do," is pronounced like the word "dough" with a long "o" sound. Finally, the last syllable, "li," is pronounced like the word "lee" with a long "ee" sound. Altogether, the word is phonetically transcribed as /ɡædəˈlɪniəm/.
Gadolinium is a chemical element that belongs to the lanthanide series of the periodic table. With the atomic number 64 and symbol Gd, it is a soft, silvery-white metal. Gadolinium possesses unique properties that make it highly valued and useful in various industries, particularly in science, technology, and medicine.
In its elemental form, gadolinium is highly reactive and tends to oxidize rapidly in air, leading to the formation of a protective oxide layer. It has a relatively low melting point and is malleable, but also quite ductile. Gadolinium demonstrates exceptional magnetic and electrical properties, as it has the highest magnetic moment of any element and exhibits metallic behavior.
Outside of industrial applications, gadolinium salts are also used in medical fields, especially during magnetic resonance imaging (MRI) procedures. Gadolinium-based contrast agents (GBCAs) are commonly employed to enhance the visibility and clarity of organs, tissues, and blood vessels during scans. Due to its ability to interact with magnetic fields, gadolinium can provide valuable diagnostic information for various medical conditions.
Gadolinium compounds are also incorporated into luminescent materials, such as fluorescent lamps, television screens, and X-ray phosphors. Additionally, gadolinium's neutron-absorbing properties have made it useful for controlling nuclear reactions, particularly in the production of nuclear energy and as a safety measure in nuclear reactors.
Overall, gadolinium's physical, chemical, and magnetic properties, along with its versatility and usefulness in numerous applications, contribute to its significance in various scientific and technological fields.
A very rare element, symbol Gd, atomic weight 157.3.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "gadolinium" is derived from the name of the Finnish chemist and mineralogist Johan Gadolin. He discovered this rare earth element in 1880 while investigating the mineral gadolinite. Gadolinium was named in his honor as a recognition of his contribution to the field of chemistry.