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Why non metals do not conduct electricity?

Oliver Green | 2023-06-05 15:51:33 | page views：1698
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Ethan Taylor

Studied at the University of Manchester, Lives in Manchester, UK.
Metal atoms have outer electrons which are not tied to any one atom. These electrons can move freely within the structure of a metal when an electric current is applied. There are no such free electrons in covalent or ionic solids, so electrons can't flow through them - they are non-conductors.
2023-06-13 15:51:33
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Zoe Brown

QuesHub.com delivers expert answers and knowledge to you.
Metal atoms have outer electrons which are not tied to any one atom. These electrons can move freely within the structure of a metal when an electric current is applied. There are no such free electrons in covalent or ionic solids, so electrons can't flow through them - they are non-conductors.
BBC - Standard Grade Bitesize Chemistry - Conduction of electricity ...
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