CHMB31H3 Chapter 1: CHMB31 Chapter 1

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27 Sep 2011
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Strong force: a short-range but powerful attractive force between protons and neutrons bound these particles together into nuclei. Electromagnetic force: a relatively weak but long-range force between electric charges bound electrons to nuclei to form atom: atomic number (z): the number of protons in the nucleus of an atom of the element. Elements up to z = 26 were formed inside stars, the products of nuclear fusion reactions. 1e, it is a positively charged electron with a zero mass number: binding energy: represents the difference in energy between the nucleus itself and. 0n 99: neutron capture: 98, follwed by decay accompanied by neutrino emission: 98. 43tc + e- + v: daughter nuclide: the product of a nuclear reaction. Schrodinger equation: kinetic energy contribution + potential energy contribution = total energy contribution: quantization of energy: an electron can possess only certain discrete energies in an atom. Radial nodes: occur where radial component of the wavefunction passes through zero.

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