Thulium - Wikipedia
WEBThulium is a chemical element; it has symbol Tm and atomic number 69. It is the thirteenth element in the lanthanide series of metals. It is the second-least abundant lanthanide in the Earth's crust, after radioactively unstable promethium. It is an easily workable metal with a bright silvery-gray luster. It is fairly soft and slowly tarnishes ...
Thulium | Rare Earth Element | Britannica - Encyclopedia Britannica
WEBAug 11, 2024 · Thulium (Tm), chemical element, a rare-earth metal of the lanthanide series of the periodic table. Thulium is a moderately hard, silvery white metal that is stable in air but can easily be dissolved in diluted acids—except hydrofluoric acid (HF), in which an insoluble trifluoride (TmF3) layer forms.
Thulium - Element information, properties and uses | Periodic Table
WEBThulium is found principally in the mineral monazite, which contains about 20 parts per million. It is extracted by ion exchange and solvent extraction. The metal is obtained by reducing the anhydrous fluoride with calcium, or reducing the oxide with lanthanum.
Thulium Element | Uses, Facts, Physical & Chemical Characteristics
WEBThulium in pure form has silvery luster and is a bright metal. Thulium metal can be cut with knife and has ability of deformation. It has two allotropes: tetragonal α-Tm and the stable hexagonal β-Tm.
Thulium Element Facts / Chemistry - chemicool.com
WEBThulium is a bright, soft, malleable, silvery-gray metal. It is a rare earth metal and is one of the least abundant. The metal tarnishes slowly in dry air to form the oxide and reacts with water to form the hydroxide and hydrogen gas. Tm 3+ ions emit a …
Thulium Facts, Symbol, Discovery, Properties, Uses - Chemistry …
WEBThulium (pronounced as Thoo-lee-em) [2] is a soft, silver-gray rare earth metal [3] belonging to the Lanthanides group and represented by the symbol Tm [1]. While its most abundant, naturally occurring isotope is 169 Tm, it has 34 radioactive isotopes, out of which the most stable one is 171 Tm with a half-life period of 1.92 years [4] .
Facts About Thulium - Live Science
WEBJul 24, 2013 · Because of the relatively high price of the metal, thulium has not yet found many practical applications, but it has potential use as an energy source. Natural thulium also has possible use...
Thulium: Rare Earth Element with Specialized Applications
WEBDiscover the fascinating world of Thulium, a rare-earth element with the atomic number 69. Learn about its unique physical and chemical properties, its specialized industrial and medical applications, and its significance in modern technology.
Thulium - Wikiwand
WEBThulium is a chemical element; it has symbol Tm and atomic number 69. It is the thirteenth element in the lanthanide series of metals. It is the second-least abundant lanthanide in the Earth's crust, after radioactively unstable promethium. It is an easily workable metal with a bright silvery-gray luster.
WebElements Periodic Table » Thulium » the essentials
WEBThe pure metal has a bright, silvery lustre. It is reasonably stable in air, but the metal must be protected from moisture. The element is silvery-grey, soft, malleable, and ductile, and can be cut with a knife. It is a rare earth metal found in minerals such as monazite.