Chem. Ch.21

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8thgradeclass
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292225
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Chem. Ch.21
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2014-12-29 20:52:31
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  1. atomic nuclei are made of protons and neutrons, which are collectively called _____.
    nucleons
  2. nucleons (protons and neutrons) make up the _____ _____.
    atomic nuclei
  3. In nuclear chemistry an atom is referred to as a _____.
    nuclide
  4. A nuclide (an atom in nuclear chemistry) is identified by the number of ____ and ____ in a neutron.
    protons and neutrons
  5. The difference between the mass of an atom and the sum of the masses of its protons, neutrons, electrons
    mass defect
  6. The energy released when a nucleus is formed from nucleons
    nuclear binding energy
  7. the measure of the stability of a nucleus
    nuclear binding energy
  8. The binding energy of the nucleus divided by the number of nucleons it contains
    the binding energy per nucleon
  9. The higher the binding energy per nucleon the _____ nucleons are held together.
    tighter
  10. Elements with ____ atomic masses have the greatest binding energies per nucleon and are therefore the most stable.
    intermediate

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