L40-Nuclear2

L40-Nuclear2 - Nuclear Chemistry (Chapter 19) - Elementary...

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Nuclear Chemistry (Chapter 19) - Elementary particles and atomic structure. - Nuclear transformations: fission and fusion. - Stability and modes of decay. - Thermodynamics of nuclear transformations: E=mc 2
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Atomic structure A Z X Z atomic number, = number of protons A - atomic mass number, =number of protons + neutrons Chemical identity Z Isotopes same Z , different A Nuclide unique Z A
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________ rays consist of He nuclei, while ________ rays are electromagnetic radiation. 1 2 3 4 5 3% 3% 91% 3% 0% 1. alpha, beta 2. beta, alpha 3. gamma, beta 4. x-, gamma 5. alpha, gamma
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decay, 1 2 3 4 5 40% 11% 3% 17% 29% 1. the mass number remains unchanged and the atomic number increases by one. 2. the atomic number remains unchanged and the mass number increases by one. 3. the mass number remains unchanged and the atomic number decreases by one. 4. the atomic number remains unchanged and the mass number decreases by one. 5.
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This note was uploaded on 07/22/2008 for the course CHEM 115b taught by Professor Reisler during the Spring '08 term at USC.

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L40-Nuclear2 - Nuclear Chemistry (Chapter 19) - Elementary...

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