Technetium - Wikipedia
Technetium is a chemical element; it has symbol Tc and atomic number 43. It is the lightest element whose isotopes are all radioactive. Technetium and promethium are the only radioactive elements whose neighbours in the sense of atomic number are both stable.
Technetium - Element information, properties and uses | Periodic …
Element Technetium (Tc), Group 7, Atomic Number 43, d-block, Mass [98]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Jump to main content
Technetium | Radioactive, Synthetic, Transition Metal | Britannica
technetium (Tc), chemical element, synthetic radioactive metal of Group 7 (VIIb) of the periodic table, the first element to be artificially produced.
Technetium | History, Uses, Facts, Physical & Chemical …
Technetium is an artificial element and was discovered in 1937. It is radioactive and have the greatest number of radioactive isotopes among the lightest elements of the periodic table.
Technetium Facts – Atomic Number 43 Element Symbol Tc
2020年11月1日 · Technetium is a transition metal element with atomic number 43 and element symbol Tc. It is the lightest radioactive element. Traces of technetium occur naturally, but it was discovered through synthesis in a lab and was the first artificial element.
Technetium | Tc (Element) - PubChem
Technetium is a chemical element with symbol Tc and atomic number 43. Classified as a transition metal, Technetium is a solid at room temperature. J.C. Slater, J Chem Phys, 1964, 41 (10), 3199-3205. DOI:10.1063/1.1725697.
Technetium (Tc) - Physical and Chemical Properties of Technetium …
Technetium (Tc) is a chemical element in the periodic table with atomic number 43. It was discovered by Carlo Perrier in the year 1937. Click here to learn about its uses, properties & health effects.
Technetium-99m - Wikipedia
Technetium-99m (99m Tc) is a metastable nuclear isomer of technetium-99 (itself an isotope of technetium), symbolized as 99m Tc, that is used in tens of millions of medical diagnostic procedures annually, making it the most commonly used medical radioisotope in the world.
Facts About Technetium - Live Science
2013年5月28日 · Technetium is a silvery-gray transition metal. It tarnishes slowly in moist air. It dissolves in nitric acid, aqua regia (nitro-hydrochloric acid) and concentrated sulfuric acid, but is not...
The Techy Element Technetium - ChemTalk
Introduction to Technetium. The element Technetium is a silvery gray transition metal. It has the atomic number of 43 and has the atomic symbol Tc. It is also the lightest element with all radioactive isotopes and the first artificially produced element. 10 Fun Facts about Technetium