L39-Nuclear1

L39-Nuclear1 - 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. Kinetics of radioactive decay. - Thermodynamics of nuclear transformations: E=mc 2 . - Big Bang and creation of elements. Star chemistry. - Nuclear power: nuclear weapons and power plants. - Carbon dating. - Medical applications: X-ray, radiotherapy, positron emission tomography, and more. - The discovery of radioactivity and some “radioactive” personalities: Marie Curie, Lise Meitner, and more. REVIEW KINETICS (Chapter 18)
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Discovery of radioactivity November 8, 1895: W.C. Roentgen discovered X- rays while working with Crookes’ tube
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A Z X Z particle number A - particle mass number Atomic structure and elementary particles
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Atomic structure Atom protons 1 1 p charge=+1 mass=1 neutrons 1 0 n charge=0 mass=1 + electrons 0 -1 e charge=-1 mass << 1 Nucleus +
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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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Examples of isotopes 4 He 48 Ti 7 Li
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L39-Nuclear1 - Nuclear Chemistry (Chapter 19) - Elementary...

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