Bonding & Intermolecular Forces Series - Ionic Bonding Mindmap

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  • Ionic Bonding
    • Metals have 1,2 or 3 elections in their outer shell
      • Non-metals usually have 1,2 or 3 spaces for elections in their outer shell
    • Example - Sodium Chloride
    • Ionic Compounds are held together by electrostatic attraction.
      • This is very strong
      • It is generally held together in a lattice structure
      • The overall charge of an Ionic Compound is 0
      • Example - Sodium Chloride
      • Giant Ionic Lattices form which is just the regular structure repeated many times.
      • Behaviour of Ionic Compounds
        • Ionic Compounds conduct electricity when molten or dissolved
          • When they are molten / dissolved, the ions are free to move and can carry charge. In a solid they are fixed by the strong ionic bonds.
        • Ionic Compounds have a high melting point
          • The Giant ionic lattices are held together by strong electrostatic forces. It takes a lot of energy to overcome these forces.
        • Ionic Compounds tend to dissolve in water
          • Water molecules are polar (some parts slightly negative and some parts slightly positive). The water molecules pull ions away from the lattice causing it to dissolve

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