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Electrical Conductivity of Copper, Gold And Silver

  1. Apr 17, 2015 #1
    Copper ::: 60.7 x 106 S m^-1
    Silver :::62.9 x 106 S m^-1
    Gold :: 48.8 x 106 S m^-1

    Why is the electrical Conductivity of these elements this way? I mean down the periodic table it should increase in case of GOLD but instead Gold is have far less value of Electrical Conductivity.
     
  2. jcsd
  3. Apr 17, 2015 #2
    What factor should cause it to increase going down the periodic table then?
     
  4. Apr 17, 2015 #3

    Drakkith

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    Staff: Mentor

    There's really no easy way to explain the differences, as they are based on the particular electron configuration of each atom and how they bond together in a metal.
    One way of calculating the conductivity is based on the density of free electrons in the metal. Check out the following link (specifically the 3rd section): http://hyperphysics.phy-astr.gsu.edu/hbase/electric/ohmmic.html
     
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