Nuclear fission: Definition from Answers.com nuclear fission (click to enlarge) Top: Uranium-235 combines with a neutron to form an unstable intermediate, which quickly splits (credit: Merriam-Webster
uranium: Definition from Answers.com uranium n. ( Symbol U ) A heavy silvery-white metallic element, radioactive and toxic, easily oxidized, and having 14 known isotopes of which U 238 is
plutonium: Definition from Answers.com plutonium n. ( Symbol Pu ) A naturally radioactive, silvery, metallic transuranic element, occurring in uranium ores and produced artificially by neutron
atom: Definition from Answers.com atom n. A part or particle considered to be an irreducible constituent of a specified system. The irreducible, indestructible material unit postulated
Nuclear fission: Definition from Answers.com nuclear fission (click to enlarge) Top: Uranium-235 combines with a neutron to form an unstable intermediate, which quickly splits (credit: Merriam-Webster
uranium: Definition from Answers.com uranium n. ( Symbol U ) A heavy silvery-white metallic element, radioactive and toxic, easily oxidized, and having 14 known isotopes of which U 238 is
plutonium: Definition from Answers.com plutonium n. ( Symbol Pu ) A naturally radioactive, silvery, metallic transuranic element, occurring in uranium ores and produced artificially by neutron
atom: Definition from Answers.com atom n. A part or particle considered to be an irreducible constituent of a specified system. The irreducible, indestructible material unit postulated
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Nuclear reactor - Wikipedia, the free encyclopedia A nuclear reactor is a device to initiate and control a sustained nuclear chain reaction. Nuclear reactors are used at nuclear power plants for generating electricity ...
Nuclear fission - Wikipedia, the free encyclopedia In nuclear physics and nuclear chemistry, nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into ...
Uranium - Wikipedia, the free encyclopedia Uranium is a silvery-white metallic chemical element in the actinide series of the periodic table, with symbol U and atomic number 92. A uranium atom has 92 protons ...
Plutonium - Wikipedia, the free encyclopedia Plutonium is a transuranic radioactive chemical element with the symbol Pu and atomic number 94. It is an actinide metal of silvery-gray appearance that tarnishes ...
Radioactive decay - Wikipedia, the free encyclopedia Radioactive decay, also known as nuclear decay or radioactivity, is the process by which a nucleus of an unstable atom loses energy by emitting particles of ionizing ...
Nuclear weapon - Wikipedia, the free encyclopedia A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission or a combination of fission and fusion. Both ...
Atom - Wikipedia, the free encyclopedia The atom is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons. The atomic nucleus contains a mix ...