C4- Electron Configeration

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  • Electronic Configuration
    • Number of electrons per shell
      • Eg. Chlorine (has 17 electrons as 17 is atomic number)
        • 2,8,7
    • Group number
      • Electrons on outer shell is group number on periodic table
        • Chlorine in group 7 as has 7 electrons on outer shell
          • 2,8,7
    • Atomic Number
      • Add all electrons together to get atomic number to work out element


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