promethium
Promethium (61Pm) is an artificial element, except in trace quantities as a product of spontaneous fission ofU andU and alpha decay ofEu, and thus a standard ... ,Promethium is a chemical element with symbol Pm and atomic number 61. It has a number of isotypes, most of which are radioactive and relatively short-lived.
| 相關軟體 Light Image Resizer 資訊 | |
|---|---|
 promethium 相關參考資料
Facts About Promethium | Live Science
Named for the Greek Titan who stole fire from Zeus and gave it to humanity, glow-in-the-dark promethium is a highly radioactive, rare earth ... https://www.livescience.com Isotopes of promethium - Wikipedia
Promethium (61Pm) is an artificial element, except in trace quantities as a product of spontaneous fission ofU andU and alpha decay ofEu, and thus a standard ... https://en.wikipedia.org Promethium (disambiguation) - Wikipedia
Promethium is a chemical element with symbol Pm and atomic number 61. It has a number of isotypes, most of which are radioactive and relatively short-lived. https://en.wikipedia.org Promethium (Pm) - Chemical properties, Health and ...
Promethium. Promethium is a rare-earth metal that emits beta radius. It is very radoiactive and rare, so it is little studied: its chemical and physical properties are ... https://www.lenntech.com Promethium - Element information, properties and uses ...
Element Promethium (Pm), Group 19, Atomic Number 61, f-block, Mass [145]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and ... https://www.rsc.org Promethium - Periodic Table
Symbol, Pm. Latin name, Promethium. Atomic number, 61. Period, 6. Element category, Inner transition elements. Relative atomic mass, 146.9151. Group, III.B. https://pt.kle.cz Promethium - Wikipedia
Promethium is a chemical element with the symbol Pm and atomic number 61. All of its isotopes are radioactive; it is extremely rare, with only about 500–600 ... https://en.wikipedia.org Promethium | chemical element | Britannica
Promethium (Pm), chemical element, the only rare-earth metal of the lanthanide series of the periodic table not found in nature on Earth. Conclusive chemical ... https://www.britannica.com Promethium | Pm (Element) - PubChem
Promethium's most stable isotope, promethium-145, has a half-life of 17.7 years. It decays into neodymium-145 through electron capture. Jefferson Lab, U.S. ... https://pubchem.ncbi.nlm.nih.g |