Chemistry AS EL CI 2.1

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  • Created by: A.B.
  • Created on: 22-10-13 19:46
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  • EL A Simple Model of the Atom CI 2.1
    • Inside the Atom
      • Mass number (protons and neutrons) - top number.
      • Atomic number (protons) - bottom number.
      • Number of electrons in neutral atom = atomic number.
    • Isotopes
      • Atoms from the same element
      • Same atomic number
      • Different mass number (different number of neutrons).
      • Knowing the relative isotopic masses [relative atomic mass for isotope] and relative abundance allows calculation of relative atomic mass.

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