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...elter''' is an enclosed space specially designed to protect occupants from radioactive debris or [[nuclear fallout|fallout]] resulting from a [[nuclear explosion] ...subjecting anything within the line of sight to radiation, a significant [[radioactive contamination|hazard]]. A fallout shelter is designed to allow its occupant

...l beds adsorb these gases and retains them while they rapidly decay to non-radioactive solid species. The solids are trapped in the charcoal particles, while the

...is used for patients who have ingested [[thallium]] or [[radioactive decay|radioactive]] [[caesium]]. According to the [[International Atomic Energy Agency]], an

...and industrial [[radiography]] equipment, and containers used to transport radioactive materials. Military uses include defensive armor plating and [[Armor-pierci ...adioactive, uranium is a [[toxic metal]].<ref name=Craft04 /> It is weakly radioactive and remains so because of its long [[half-life|physical half-life]] (4.468

...rring ruthenium is composed of seven stable [[isotope]]s. Additionally, 34 radioactive isotopes have been discovered. Of these [[radioisotope]]s, the most stable ...10.1016/j.nuclphysa.2003.11.001|title=The Nubase evaluation of nuclear and decay properties|author=Audi, G. ''et al.''|journal=Nuclear Physics A|volume=729|

...bout 80 of which are stable - that is, they do not change by [[radioactive decay]] into other elements. However, the number of chemical substances that are

...first = Audi| last = Georges|title = The NUBASE Evaluation of Nuclear and Decay Properties| journal = Nuclear Physics A| volume = 729| pages = 3–128| pub ...supernova decay products in the [[supernova remnant]] gas cloud, to first radioactive cobalt-56, and then stable iron-56. This last nuclide is therefore common i

...is an invisible, radioactive atomic gas that results from the radioactive decay of [[radium]], which may be found in rock formations beneath buildings or i

...| last = Audi|first = Georges|title = The NUBASE Evaluation of Nuclear and Decay Properties|journal = Nuclear Physics A|volume = 729|pages = 3–128| publis ...atio that suggests Mn–Cr isotopic composition must result from in–situ decay of ⁵³Mn in differentiated planetary bodies. Hence ⁵³M

...], and those that are heavier tend to decay by [[beta decay|β^- decay]], with some exceptions. ...8-0432.CCR-07-1516|title = Vascular Imaging of Solid Tumors in Rats with a Radioactive Arsenic-Labeled Antibody that Binds Exposed Phosphatidylserine|last = Jenne

...first = Audi| last = Georges|title = The NUBASE Evaluation of Nuclear and Decay Properties| journal = Nuclear Physics A| volume = 729| pages = 3–128| pub ...Mn ratio that suggests Mn-Cr isotopic composition must result from in-situ decay of ⁵³Mn in differentiated planetary bodies. Hence ⁵³C

...and ¹¹⁵Cd with a half-life of 53.46 hours. All of the remaining radioactive isotopes have half-lives that are less than 2.5 hours, and the majority of ...he dominant [[decay product]] is element 47 ([[silver]]). Heavier isotopes decay mostly through [[beta emission]] producing element 49 ([[indium]]).

...except for lead-204, can be found in the end products of the [[radioactive decay]] of the even heavier elements, [[uranium]] and [[thorium]]. ...rdial lead, and 206, 207, 208 being formed probably from the [[radioactive decay]] of two isotopes of uranium ([[U-235]] and [[U-238]]) and one isotope of

...s equal to the rate of decay. It is not a chemical equilibrium because the decay process occurs in one direction only.

...pes]]. There are also over 40 unstable isotopes that undergo [[radioactive decay]]. The isotope ratios of xenon are an important tool for studying the early |accessdate=2007-10-26}}</ref> and from the radioactive decay of elements such as [[iodine]], [[uranium]] and [[plutonium]].<ref name="ca