安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Praseodymium - Wikipedia
Praseodymium is a chemical element; it has symbol Pr and atomic number 59 It is the third member of the lanthanide series and is considered one of the rare-earth metals It is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties
- Praseodymium | Rare Earth Element, Atomic Number 59 | Britannica
Praseodymium (Pr), chemical element, a rare-earth metal of the lanthanide series of the periodic table Praseodymium is a moderately soft, ductile, and malleable silvery white metal
- Praseodymium - Element information, properties and uses | Periodic Table
Element Praseodymium (Pr), Group 19, Atomic Number 59, f-block, Mass 140 908 Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images
- Praseodymium Facts, Symbol, Discovery, Properties, Uses
Praseodymium (pronunciation pra-see-oh-DIM-ee-em [2]), represented by the chemical symbol Pr [1], is a soft transition element [8] belonging to the family of rare earth metals [3, 4] Naturally occurring Pr has a single stable isotope with mass number 141 [1, 3]
- Praseodymium Element Facts Chemistry
Praseodymium salts are used to color glasses and enamels Praseodymium is also used in the core of high-intensity carbon arc lights used by the film industry and in floodlighting
- Praseodymium | Pr (Element) - PubChem
Praseodymium forms the core of carbon arc lights which are used in the motion picture industry for studio lighting and projector lights Praseodymium is added to fiber optic cables as a doping agent where it is used as a signal amplifier
- Praseodymium - Rare Earth Exchanges
Praseodymium is a rare earth metal known for its versatility and utility in advanced materials and technologies This silvery, soft metal exhibits a unique greenish hue and is highly valued for its magnetic, electrical, and optical properties
- Periodic Table of Elements: Los Alamos National Laboratory
Praseodymium is soft, silvery, malleable, and ductile It is somewhat more resistant to corrosion in air than europium, lanthanum, cerium, or neodymium, but it does develop a green oxide coating that falls off when exposed to air
|
|
|