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!
|
- Lanthanum - Wikipedia
Lanthanum is a chemical element; it has symbol La and atomic number 57 It is a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air It is the eponym of the lanthanide series, a group of 15 similar elements between lanthanum and lutetium in the periodic table, of which lanthanum is the first and the prototype
- Lanthanum | Rare Earth Element, Uses in Technology, Medicine | Britannica
lanthanum (La), chemical element, a rare-earth metal of Group 3 of the periodic table, that is the prototype of the lanthanide series of elements Lanthanum is a ductile and malleable silvery white metal that is soft enough to be cut with a knife
- Lanthanum Facts, Symbol, Discovery, Properties, Uses - Chemistry Learner
Lanthanum (pronunciation: LAN-the-nem) [3] is a soft, silvery rare-earth metal belonging to the lanthanoids family and represented by the chemical symbol La [1, 2]
- Lanthanum - Element information, properties and uses | Periodic Table
Element Lanthanum (La), Group 19, Atomic Number 57, d-block, Mass 138 905 Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images
- Facts About Lanthanum - Live Science
Lanthanum is silvery white, malleable, ductile and so soft you can slice it with a knife It is one of the most reactive rare-earth metals, which are also called lanthanides
- Lanthanum (La) Element: Properties, Uses, Reactions, Effects - Science Info
Lanthanum is a chemical element with the atomic number 57 and is represented by the symbol ‘La’ in the periodic table It is soft and silvery in appearance and classified as rare earth metal and belongs to the d-block of the lanthanide group of the periodic table It is a highly reactive rare earth metal only behind europium
- Lanthanum Facts – Atomic Number 57 or Symbol La - Science Notes and . . .
Lanthanum is a soft, silvery-white metallic element with the symbol La and atomic number 57 It is the first element in the lanthanide series and is a rare earth element Lanthanum has significant applications in modern technology, ranging from catalysis to advanced optical materials
- Comprehensive Guide to Lanthanum: Uses, Properties, and Applications
Explore the comprehensive guide on Lanthanum, a rare-earth element with wide-ranging applications Learn about its history, physical and chemical properties, industrial uses in fluid catalytic cracking, optics, and green technologies, as well as its medical applications
|
|
|