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...ery few people. In only one accident, at Chernobyl, we’re people killed by radioactivity. The numbers killed was small compared with other energy-related accidents. These facts are not surprising, as we know that the level of radioactivity exposure required to cause measurable harm is 100 to 2500 times higher that

...'''weak force''' is the [[force]] that is responsible for some forms of [[radioactivity]]. It is one of the four fundamental forces; the others are [[electromagnet

{{r|Radioactivity}}

...opes are ''stable''). Much of '''radiochemistry''' deals with the use of [[radioactivity]] to study ordinary [[chemical reaction]]s. Radiochemistry includes the stu By [[neutron]] irradiation of objects it is possible to induce radioactivity, and this activation of stable isotopes to create radioisotopes is the bas

{{r|Radioactivity}}

...spects of [[radioactivity]], there are a substantial number of '''units of radioactivity'''. The number is relatively high because the aspects include the energy o ...hazard. The basic quantitative measurements define the amount of potential radioactivity in the container: two-tenths of a curie, or 200 millicuries, of cesium (Cs)

...emistry]], respectively. ISH can also use two or more probes, labeled with radioactivity or the other non-radioactive labels, for example, to simultaneously detect

{{r|Radioactivity}}

...ation of other organizations, such as the [[U.S. Department of Energy]]. [[Radioactivity|Radioactive]] materials that emit significant ionizing radiation at all tim

...ertain unstable atoms' nuclei generate and emit during a certain type of [[Radioactivity|radioactive]] emission called [[beta decay]], which occurs spontaneously in ...netic and kinetic) and one or more subatomic particles, a process called [[radioactivity]].

...eries of the [[Periodic table of elements|periodic table]]. It is weakly [[radioactivity|radioactive]]. It occurs naturally in low concentrations in soil, rock and

...As carbon-14 stops being absorbed when an organism dies. Carbon-14 is a [[radioactivity|radioactive]] [[isotope]] with a [[half-life]] of 5,730 years; its long hal

*1991: ''Radioactivity'' (Single featuring versions not on [[The Mix]])

...uranium ores. All elements from polonium onward are radioactive. The great radioactivity of polonium and its immediate neighbors to the right on the periodic table, ...ies while they were investigating the cause of [[uraninite|pitchblende]] [[radioactivity]]. The pitchblende, after removal of uranium and radium, was more radioacti

'''Leakage of Radioactivity''' There are no penetrations that could leak in the vessel containing the p

...ernatively, it is possible to make a source using material which holds the radioactivity in a chemically resistant and strong form without needing a metal cover. In Image:DiagramofpersonwithcancersecondstageofI131.jpg|'''5''' In time, the radioactivity becomes concentrated in the part of the body that contains the tumor

|event= '''1896:''' [[Henri Becquerel]] discovers [[radioactivity]].

...introduced the technique of [[neutron]] bombardment to study artificial [[radioactivity]], opening the way to the discovery of [[nuclear fission]]. In the 1930s he ...d world-wide renown by their work on the then-new phenomenon of artificial radioactivity obtained by means of neutron bombardment of [[chemical element]]s. Between

{{Image|Radioactive waste decay.png|right|350px|Fig.1 Radioactivity over time of each major isotope in spent fuel from a nuclear reactor <ref>h ...book.com Why Nuclear Power has been a Flop].</ref> Even if we look only at radioactivity released to the environment,<ref>https://www.epa.gov/radtown/radioactive-wa

*[http://www.britannica.com/EBchecked/topic/489089/radioactivity Radioactivity]. (2010). In Encyclopædia Britannica. Retrieved July 12, 2010, from Encycl