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Chemistry Topic 6 (Group 0 Noble gases (Uses (Argon (Fire extinguishers…

- - - - Airships and balloons
      - Low density
    - - Neon signs/lights
      - Produces a red-orange light when electricity passes through it.
    - - Fire extinguishers and inside filament bulbs
      - Denser than air
      - Will sink and cause no further reactions
    - - White and studio lights.
      - Produces a white light when electricity passes through it
    - - Unreactive
      - Not flammable
  - - - As you go down the periodic table, it increases
    - - As you go down the periodic table, it increases
    - - As you go down the periodic table, it increases
- - - - effervescing
      - Move on surface
      - Dissolves
    - - Crackling
      - Lilac flame
      - Smoke
      - Dissolves
      - Moves quicker on surface
    - - Louder Effervescing
      - Forms a silver molten ball
      - Moves quicker on surface
    - - 2L+2H2O->2LOH+H2
  - - - 4Li(S)+O2(g)->2Li2O(s)
  - - - Size of atom increases
      - The outer electron is further away from the nucleus
      - There are more shells between the outer electron and the nucleus
        
        More shielding
      - Weaker attraction
- - - - Red/Brown
      - Liquid
    - - Grey
      - Solid
    - - Gas
      - Pale Green
    - - The density increases
      - The boiling point increases
      - The melting point increases
  - - - The size of the atom inreases
      - The attraction decrease
      - More shielding
    - - Brown-Iodine has been replaced
      - Orange-Bromine has been replaced
      - Chlorine+Sodium Iodide->Sodium Chloride+Iodine
        
        Iodine has been replaced
        
        Cl2(aq)+2NaI(aq)->2NaCl(aq)+I2(aq)
    - - Chlorine+Calcium->Calcium chloride
        
        Cl2(g)+Ca(g)->CaCl2(s)
    - - Chlorine+Sodium->Sodium chloride
        
        Cl2(g)+2Na(s)->2NaCl(s)
  - - - Cl2+H2->2HCl
    - - The Hydrogen+ ions make the solution acid
        
        Hydrochloric acid is formed