IGCSE Chemistry- Electrical conductivity

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  • Created by: ashleigh
  • Created on: 16-02-14 13:03

Electrical conductivity

Electric current is a flow of electrons or Ions

  • Electrons have a negative charge
  • Ions can have either a negative or positive charge
  • Electrons and ions act as charge carriers- they can move charge around a system to create a flow of electricity
  • The electric current is the flow of the electrons or ions

Ionic compounds only conduct eletricity when molten or in solution 

  • Ionic compounds are made of a lattice of positive and negative ions
  • Solid ionic compounds don't conduct elecricity, because their ions aren't free to move around
  • When an ionic compound is dissolved the ions seperate and are free to move in solution…


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