Chemistry Paper 1 Atom and bonding

  • Created by: D. A.
  • Created on: 24-05-18 14:53
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  • Chemistry PAPER 1
    • ATOM
      • Electrical charge
      • Development of atom model
      • Size and mass
        • Relative atomic mass
      • Electronic structure
      • Periodic table
        • Development of periodic table
        • Metals
        • Non-metals
        • Noble gases Group 0
        • Alkali metals Group 1
        • Transition metals
        • Halogens Group 7
    • Bonding, Structure and properties
      • Covalent bonding
        • Non-metal and a Non-metal
        • electrons are shared
        • Some are Small molecules e.g. H2O, CO2, CH4
          • Polymers can be made from many smaller molecules e.g. polyethene
            • solid at room temperature
          • Gases or liquids at room temperature
          • Low melting boiling points
            • Weak forces between molecules
        • Some have giant structures e.g. diamond
          • Solid with a very high melting point
          • Strong covalent bonds between atoms.
            • Carbon only
              • Diamond
                • 4 covalent bonds hard, high melting point and does not conduct electricity
              • Graphite
                • 3 covalent bonds arranged in layers so slide and free electrons allow electrical conductivity
                • Graphene
                  • single layer of graphite used in electronics and composites
              • Fullerenes
                • Hollow shapes of carbon 5,6 or 7 bonds
                  • nanotubes used in nanotechnology and electronics
        • Dot and cross diagrams
      • Ionic bonding
        • Atom loses or gains an electron
        • Metal  and a Non-metal
        • Dot and cross diagrams
      • Metallic bonding
        • Most are solid at room temperatureUntitled
        • PURE METALS Atoms arranged in layers - are malleable (can be bent and shaped)
          • Free electrons allow electrical conductivity
        • ALLOYS Different size metal atoms make metals harder
    • Quantitative chemistry
    • Chemical changes
    • Untitled

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