Promethium - Wikipedia
Promethium is a chemical element with symbol Pm and atomic number 61. All of its isotopes are radioactive; it is extremely rare, with only about 500–600 grams naturally occurring in the Earth's crust at any given time.
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 images.
Promethium | Rare Earth Element, Atomic Number 61 | Britannica
promethium (Pm), chemical element, the only rare-earth metal of the lanthanide series of the periodic table not found in nature on Earth.
After 80 Years, Scientists Discover Secrets of Promethium
2024年5月31日 · First discovered 80 years ago in 1945, Promethium is a lanthanide (one of a series of 15 metallic chemicals also known as rare earth metals) with the atomic number 61, and in the following...
Promethium bound: Rare earth element’s secrets exposed
2024年5月22日 · Scientists have uncovered the properties of a rare earth element that was first discovered 80 years ago at the very same laboratory, opening a new pathway for the exploration of elements critical in modern technology, from medicine to space travel.
Secrets of radioactive 'promethium' — a rare earth element with ...
2024年5月29日 · For the first time, scientists have revealed crucial properties of the mysterious, radioactive substance promethium — nearly eight decades after the elusive rare earth element was discovered....
Facts About Promethium - Live Science
2017年6月8日 · 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 element. It is not found anywhere on Earth and is found...
Promethium Facts - Periodic Table of the Elements - ThoughtCo
2018年1月31日 · Promethium is a heavy, radioactive rare earth element. Here are interesting facts and the chemical and physical properties of the element promethium.
Promethium: A Comprehensive Guide to Its Properties, Uses, and …
Explore the fascinating world of Promethium, a rare and radioactive lanthanide. Learn about its unique properties, industrial uses like luminous paints and atomic batteries, its potential medical applications, and the safety precautions required.
Promethium - Living Periodic Table
Promethium might be rare, but it has some super important jobs in the world today! Discovered in 1945, this glowing metal helps make glow-in-the-dark devices, powers space probes, and even helps scientists measure things.