Atomic Structure and Isotopes

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  • Atomic Structure and Isotopes
    • Atomic Number
      • The number of protons in the nucleus
    • Mass Number
      • The number of particles (protons and neutrons) in the nucleus
    • Isotopes
      • Atoms of the same element with different numbers of neutrons and different atomic masses
    • Relative Masses
      • Relative Isotopic Mass
        • The mass of an atom of an isotope compared with 1/12 of the mass of an atom of carbon-12
    • Relative Masses of Compounds
      • The sum of the Ar of each atom in the compound


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