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Structure and properties 934D3971-79E0-47CC-9428-508232441918, Electronic…

- - - - (State)
        
        Solid
      - Melting point/ Boiling point: High
        
        Hard
        
        Soluble in water, insoluble in dry solvent
        
        Conducts electricity while: decomposition in molten/ aqueous state(mobile ions)
- - - - Liquid/gas
      - Melting point/ Boiling point: Low
        
        Soft and brittle
        
        Insoluble in water, soluble in dry solvent
    - - H2, CO2, N2, CH4
  - - - Melting point/ Boiling point: Very high
        
        Very hard
        
        Insoluble in water, insoluble in dry solvent
        
        Electrical insulator
        
        (except graphite)
        
        Halogens, slightly soluble
        
        (Graphite is hard but brittle)
    - - SiO2, Quartz, Graphite, Diamond
- - - - Except Mercury (liquid)
      - Melting point/ Boiling point: Usually high
        
        Usually hard but flexible
        
        Insoluble in water (may react), insoluble in dry solvent
        
        Electrical conductor(delocalized/ mobile electron)
      - Shiny solid
        
        Most have high density
- - - - Mg Magnesium
        
        Al Aluminium
        
        Zn Zinc
        
        Fe Iron
        
        Sn Tin
        
        Pb Lead
        
        4 more items...
        
        Heating with reducing agent (H2)
        
        Heating with reducing agent (C, CO)
        
        Reduced with increasing ease