Atomic structure

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  • Atomic structure
    • Proton
      • Mass =1
      • Charge =+1
      • Found in the nucleus
    • Electron
      • Mass=0
      • Charge=-1
      • Found in the shells
    • Neutrons
      • Mass=1
      • Charge=0
      • Found in the nucleus
    • Atomic mass
      • The atomic mass(Ar)is the mass number
        • 7                          Li                    3
          • Lithium has an atomic number of 7
        • the formula mass (Mr) is the total mass of all the atoms in the compound

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