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    Nuclear and Particle Physics

    Nuclear and Particle Physics (Topic 8)

    Notes

    Structure of the atom

    Nuclear radius

    Rutherford’s Alpha Scattering Experiment

    Matter and Antimatter

    The cyclotron and pair production

    Nuclear and Particle Physics flashcards

    The three sub-atomic particles found in the atom are _________________, _______________ and __________________
    proton, neutron and electron
    Protons and neutrons are found in the _____________ and electrons are found in the _______________
    nucleus, outer shells
    Relative mass of proton
    1
    Relative mass of neutron
    1
    Relative mass of electron
    1/1836
    Mass of proton (kg)
    1.6 x 10-^27 kg
    Mass of neutron (kg)
    1.6x10-^27 kg
    Mass of electron (kg)
    9.11x10^-31 kg
    Charge of proton (Coulombs)
    1.6 x 10(^-19) C
    Charge of electron (Coulombs)
    -1.6 x 10(^-19) C
    Width of nucleus
    10(^-14) m
    Width of an atom
    10(^-10) m
    ____________ forces keep the electrons in orbit around the nucleus
    Electrostatic
    The proton number is the number of ________ in the nucleus
    protons
    The nucleon number is the total number of __________ ____ ________ in the nucleus
    protons and neutrons
    Isotopes are atoms of the same _________ number but with different ________ numbers
    proton, nucleon
    The strong nuclear force is the force which holds _________ and ________ together inside the nucleus. It has to be strong enough to counteract the repulsion amongst the ________
    protons, neutrons, protons
    Which of the three sub-atomic particles does the strong nuclear force not act on?
    Electrons
    The strong nuclear force acts equally on all ________
    Hadrons
    The range of the strong nuclear force is about ________________
    3 x 10(^-15)m
    Below 1 fm the strong nuclear force is __________
    repulsive
    Between 1 fm and 3fm the strong nuclear force is ________
    attractive