Chemistry - Atomic structure

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  • Atomic Structure
    • atomic number - number of protons
      • number of protons - number of electrons
        • To find the number of neutrons you have to do the relative atomic mass minus the number of protons
    • Isotopes are atoms of the same element with a different number of neutrons
    • Atomic number is the number of protons in an atom
    • Nucleon number is the sum of the number of neutrons and protons in an atom
    • The nucleon number is the same as the relative atomic mass
    • Isotopes are sometimes used to cure cancer by using radio therapy


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