AQA Chemistry Unit 2 (C2) Mindmap

Just a mindmap to hep brainstorm and remind you of some key facts on AQA unit 2's chemistry 

HideShow resource information
  • Created by: Triciaaa
  • Created on: 03-01-13 23:13
View mindmap
  • Unit 2 Chemistry
    • Structure and bonding
      • Metallic structures: strong electrostatic forces of attraction.
    • Structure and Properties
      • Giant covalent
      • Giant ionic
      • Simple covalent
      • Metallic
    • Quantitative Chemistry
      • Ar - how heavy
      • paper chromatography
      • GC graphs: retention time, how long it takes to be detected
      • empirical: list all elements, experimental masses, divide by ar, nice ratio
    • Rates of reaction
      • Temperature
      • Catalyst
      • Surface area
      • Concentration
      • Catalysts reduce costs: never used up, low temperature, low fuel costs
      • Poisoned by impurities, only use for one reaction
      • Activation energy - lowest amount of energy required
    • Exo/Endothermic reactions
      • exo e.g. neutralisation and oxidation reactions
      • Endo e.g. thermal decomposition
      • Exo = hand warmers Endo = sport injury packs
    • Acids, bases & salts
      • alkali - base that dissolved in water
      • precipitation - remove poisonous ions or treats effluent (sewage)
      • OH- = alkaline H+ = acid
      • soluble salt- alkali, metal, insoluble base
      • insoluble precipitation, 2  solutions with 2 ions wanted
    • Electrolysis
      • process, electric current, electrolyte, decomposes
      • electrolyte: ionic substance, molten , solution, electric current, decompose
      • brine = sodium hydroxide, chlorine, hydrogen
      • Cryolite, 200 to 90, low fuel costs

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Acids, bases and salts resources »