AQA Chemistry [C1] Part 1

Atoms
1. Nucleus
  1. Protons and Neutrons
2. Arrangement in electrons in energy levels.
  1. Chemical properties
    1. Chemical equation
    2. Shown in periodic table
3. Bonding
  1. Ionic
    1. Metals and non metals
      1. Metlas lose electons
        Positive ions
      2. Non metals gain electons
        Negative ions
  2. Covalent
    1. Two non metals
      1. Share electons
Rocks
1. Limestone
  1. Calcium carbonate
  2. Thermal decomposition
    1. Calcium oxide
      1. + water
        Calcium hydroxide
    2. Carbon dioxide
Metals
1. Extraction
  1. Electrolysis
    1. More energy needed
      1. Expensive
    2. Aluminium and titanium
      1. Low density - do not corrode
    3. Copper purified
  2. Reduction with carbon
    1. Less reactive than carbon
  3. Unreactive metals
    1. Found in earth's crust
  4. Bioleaching
    1. Microorganisms
  5. Phytomining
    1. Plants
Fuels
1. reaction with oxygen
2. Combustion products
  1. Environmental impact
    1. Carbon dioxide
      1. Global warming
    2. Sulphur dioxide
      1. Acid rain
    3. Nitrogen oxide
    4. Reduced using biofuels
      1. Renewable
      2. Ethanol
3. Crude oil
  1. Mixture of different compounds
    1. Hydrocarbons
      1. Alkanes
        Saturated
        More hydrogen atoms
      2. Cracking
        Heating with steam
        Alkanes
        Alkenes
        Unsaturated
        Turn bromine water to colourless
  2. Fractional distillation
    1. Evaportating
      1. Condense at different temperatures
        Their boiling points
        Low boiling points
        less viscous
        burn more

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AQA Chemistry [C1] Part 1

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	Copiado por ryancharman98 aproximadamente 10 anos atrás