Sodium metal will conduct electricity only when it is in a liquid state or in solution because of the ionic state which are free to move in this state, allowing them to carry charge and conduct electricity.
What are free electrons ?
An electron within a conducting substance (as in a Sodium metal) but not permanently attached to any atom.
Sodium metal will conduct electricity only when it is in a liquid state or in solution because of the ionic state which are free to move in this state, allowing them to carry charge and conduct electricity.
It also have 'a sea' of delocalised electrons which can move and are able to carry charge.
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