6 Nuclear1 - Nuclear Chemistry The nuclei of some unstable...

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1 CHEM 112 FA08 LRSVDS Nuclear part 1 Nuclear Chemistry The nuclei of some unstable isotopes undergo change by releasing energy and particles collectively known as radiation Spontaneous nuclear reactions: Radioactive Decay Review: Atomic Number Protons Neutrons Electrons Atomic Mass Isotopes 2 CHEM 112 FA08 LRSVDS Nuclear part 1 Isotopes of Hydrogen 1 H protium most abundant isotope, nucleus consists of ___________ 2 H deuterium nucleus consists of ___________ often given the symbol “D” D 2 O; 3 H tritium nucleus consists of ___________ radioactive isotope: half-life of 12.3 y not found in nature . Isotope effects Properties that depend on mass will be different for different isotopes of the same element. Examples:
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