Americium — (pronEng|ˌæməˈrɪsiəm) is a synthetic element that has the symbol Am and atomic number 95. A radioactive metallic element, americium is an actinide that was obtained in 1944 by bombarding plutonium with neutrons and was the fourth transuranic… … Wikipedia
americium — /am euh rish ee euhm/, n. Chem. a transuranic element, one of the products of high energy helium bombardment of uranium and plutonium. Symbol: Am; at. no.: 95. [1945 50, Amer.; AMERIC(A) + IUM] * * * Synthetic radioactive chemical element,… … Universalium
Radionuclide — A radionuclide is an atom with an unstable nucleus, which is a nucleus characterized by excess energy available to be imparted either to a newly created radiation particle within the nucleus or to an atomic electron. The radionuclide, in this… … Wikipedia
Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro … Wikipedia
Actinides in the environment — refer to the sources, environmental behaviour and effects of actinides in the environment. Environmental radioactivity is not limited solely to actinides; also, actinides such as uranium and radium specifically are of note. Inhalation versus… … Wikipedia
Berkelium — Eigenschaften … Deutsch Wikipedia
Smoke detector — A smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a… … Wikipedia
MOX fuel — Mixed oxide fuel, commonly referred to as MOX fuel, is nuclear fuel that contains more than one oxide of fissile material. MOX fuel contains plutonium blended with natural uranium, reprocessed uranium, or depleted uranium. MOX fuel is an… … Wikipedia
Nuclear fuel cycle — The nuclear fuel cycle, also called nuclear fuel chain, is the progression of nuclear fuel through a series of differing stages. It consists of steps in the front end, which are the preparation of the fuel, steps in the service period in which… … Wikipedia
Curium — This article is about the chemical element. For the ancient city located in Cyprus, see Kourion. americium ← curium → berkelium … Wikipedia
