acid actinium actinoid activation product advanced gas-cooled reactor age of the earth alkali alkali metal alkaline earth metal alpha decay alpha particle aluminium americium antimony aqueous solution argon arms race arsenic asia astatine athabasca basin atmospheric reentry atomic bombings of hiroshima and nagasaki atomic nucleus atomic number atomic radius atomic weight ausonium australia autunite barium berkelium berlin beryllium beta decay beta particle binding energy bioaccumulation bioremediation bismuth bohemia bohrium boiling point bone borehole mining boron brachytherapy breeder reactor bromide bromine bulk modulus candu reactor cas registry number cadmium caesium calcium calcium chloride californium canada cancer capacitor carbide carbon carbon monoxide celsius centrifuge ceramic cerium charcoal chelation chemical compound chemical element chemical elements data references chemical reaction chemical symbol chernobyl disaster chloride chlorine chromium citrobacter classified information coal cobalt coefficient of thermal expansion coffinite cold war collective names of groups of like elements color compass copper crystal structure curium czech republic darmstadtium decay energy decay product deep geological repository density dentures depleted uranium deuterium digestion digital object identifier dry cask storage dubnium ductility dysprosium earth economics of new nuclear power plants effects of nuclear explosions einsteinium electrical conductivity electricity electrolysis electron electron configuration electron shell electronegativity energy england enriched uranium enrico fermi enthalpy of fusion enthalpy of vaporization erbium europe europium experimental breeder reactor i explosive material f-block fahrenheit fat man federal government of the united states fermium fertile material fertilizer fissile fission product fluorine food france francis perrin francium fritz strassmann fusion power gabon gadolinium gallium gamma camera gas centrifuge gaseous diffusion germanium glass gold gram graphite graphite moderated reactor gulf of naples gyroscope hafnium half-life halide halogen hassium heavy water reactor helium henri becquerel hesperium hiroshima history of nuclear weapons holmium hydrochloric acid hydrogen hypocenter ideal gas igneous rock indium inert international atomic energy agency iodide iodine ion ion exchange ionizing radiation iridium iron isotope isotope separation isotopes of plutonium isotopes of uranium italy japan joule kazakhstan kelvin kidney kinetic energy penetrator krypton lanthanoid lanthanum laser lawrencium leaching lead light water reactor lignite lise meitner list of elements by name list of elements by symbol list of nuclear tests list of nuclear weapons list of states with nuclear weapons list of uranium mines lithium little boy lung lutetium macromolecule magnesium magnetism magnox manganese manhattan project mantle convection marie curie martin heinrich klaproth medical imaging meitnerium melting point mendelevium metal metalloid microorganism middle ages million mineral minor actinide molecular laser isotope separation molybdenum monazite mordant mushroom cloud namibia natural abundance natural nuclear fission reactor neodymium neon neptunium neutron nickel niger niobium nitric acid nitride nitrogen nobelium noble gas nonmetal northern england nuclear energy agency nuclear and radiation accidents nuclear arms race nuclear chain reaction nuclear chemistry nuclear engineering nuclear espionage nuclear explosion nuclear fallout nuclear fission nuclear fuel nuclear fuel cycle nuclear fusion nuclear medicine nuclear physics nuclear power nuclear proliferation nuclear propulsion nuclear reactor technology nuclear reprocessing nuclear safety nuclear technology nuclear testing nuclear thermal rocket nuclear transmutation nuclear warfare nuclear weapon nuclear weapon design nuclear weapon yield nuclear weapons in popular culture obninsk nuclear power plant ocean oklo open-pit mining ore organic compound osmium otto hahn otto robert frisch oxford oxford university press oxidation number oxidation state oxide oxygen palladium paramagnetism paris peak oil peak uranium pennsylvania perchloric acid periodic table periodic table block phosphate phosphorus photographic plate photography picometre plant plate tectonics platinum plutonium polonium portugal posillipo positron potassium pourbaix diagram praseodymium pressurised heavy water reactor promethium protactinium proton proton therapy pyrophoricity rbmk radiation radiation therapy radioactive contamination radioactive decay radiometric dating radionuclide radium radon redox reprocessed uranium rhenium rhodium roentgenium roman empire rubidium russia ruthenium rutherfordium sstar samarium saskatchewan scandium seaborgium selenium sellafield semimetal shear modulus shippingport atomic power station silicon silver sodium sodium chloride sodium diuranate sodium hydroxide solid solubility south africa south america south australia soviet union specific heat capacity speed of sound spent fuel pool spent nuclear fuel spontaneous fission stagg field steel strontium structure of the earth submarine sulfur supernova synthetic radioisotope tnt equivalent tantalum technetium tellurium terbium thallium thermal conductivity thermal decomposition thorium three mile island accident thulium tin titanium toner tonne torbernite toxic metal toxicity transition metal transmission electron microscopy trinitrotoluene tritium tungsten ukraine ultraviolet unbinilium underground nuclear testing united states united states navy university of chicago university of oxford ununbium ununennium ununhexium ununoctium ununpentium ununquadium ununseptium ununtrium uranate uraninite uranium-lead dating uranium-thorium dating uranium-uranium dating uranium carbide uranium dioxide uranium glass uranium hexafluoride uranium in the environment uranium mining uranium mining controversy in kakadu national park uranium nitride uranium oxide uranium reserves uranium tetrachloride uranium tetrafluoride uranium tile uranium trioxide uranophane uranus uranyl uranyl acetate uranyl chloride uranyl sulfate uzbekistan valence electron van der waals radius vanadium vapor pressure vehicle armour virus water west africa wikimedia commons wiktionary william herschel windscale fire world war ii x-ray xenon year yellowcake ytterbium yttrium zinc zirconium