Despite its high price and rarity, thulium is used as a dopant in solid-state lasers. It has no significant biological role and is not particularly toxic. Artificial radioactive isotopes of thulium …

When irradiated in a nuclear reactor, thulium produces an isotope that emits x-rays. A ‘button’ of this isotope is used to make a lightweight, portable x-ray machine for medical use. Thulium is …

thulium (Tm), chemical element, a rare-earth metal of the lanthanide series of the periodic table.

Thulium 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 …

Jul 2, 2024 · Thulium (Tm) is a rare earth element, part of the lanthanide series and f-block in the periodic table. Its atomic number is 69 and its element symbol is Tm. Most of the rare earths …

Thulium is found in small quantities in monazite, a mineral that has approximately 20 parts per million (ppm) of the metal in the earth’s crust [1]. It is then commercially extracted through ion …

Periodic Table Thulium Thulium is a chemical element with symbol Tm and atomic number 69. Classified as a lanthanide, Thulium is a solid at 25°C (room temperature).

Named after Thule, the earliest name for Scandinavia. Discovered in 1879 by Cleve. Thulium occurs in small quantities along with other rare earths in a number of minerals. It is obtained …

Discover 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 …

Thulium 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 ab...