Trends in periodic table

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  • Created by: AnushaK
  • Created on: 14-02-14 19:36
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  • Trends in periodic table
    • Across = elements gain e-
    • Ionic Radius
      • +ve ion - smaller than original aton
        • Remaining e- more tightly bound
        • Remaining e- have greater share of +ve charge of nucleus
        • Loss of e-/s
      • -ve ion
        • Larger radius than atom
        • E- added in same shell
          • Addition of extra -ve charge
            • E- are less tightly bound to nucleus
          • E- are less tightly bound to nucleus
  • P2 = +ve/ nuclear charge increases
    • Outer e- held more closely
    • Atomic radius decreases
    • Across = elements gain e-
    • no. of protons increases
    • E- being added but in same shell
      • Strong attraction to nucleus
        • Atomic radius decreases

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