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Graphite, Pencil ✏️ conduct electricity #experiment #science
Can a non-metal conduct electricity? 🤔 In this classroom experiment, I demonstrate with my students that graphite (pencil lead) conducts electricity, even though carbon is a non-metal. Graphite is an allotrope of carbon. In graphite, each carbon atom forms three covalent bonds, while the fourth electron remains free (delocalized). These free ...
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