Lecture34 - Chem 162, Lecture 34 , Spring 2011 Nuclear...

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Unformatted text preview: Chem 162, Lecture 34 , Spring 2011 Nuclear Transformation It is possible to convert one element into another by high- energy nuclear bombardment. This is typically done with particle accelerators. Bombard N-14 or Al-27 with alpha particles 14 7 N + 4 2 He 17 8 O + 1 1 H 27 13 Al + 4 2 He 30 15 P + 1 n Transuranium Elements Uranium is the heaviest element which is found in nature, although its natural isotopes are radioactive. Elements heavier than uranium (called transuranium elements) are synthetically prepared. Bombarding 238 92 U with neutrons produces neptunium (Np) and plutonium (Pu) through the nuclear reactions shown below: 238 92 U + 1 n 239 92 U neutron bombardment 239 92 U -1 e + 239 93 Np Beta decay 239 93 Np -1 e + 239 94 Pu Beta decay 1 Bombarding plutonium with alpha particles can produce curium. 239 94 Pu + 4 2 He 242 96 Cm + 1 n Bombarding curium with alpha particles can produce californium....
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Lecture34 - Chem 162, Lecture 34 , Spring 2011 Nuclear...

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