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Graphite is good conductor OF electricity but diamond is not .why? |
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Answer» In graphte each carbon is bonded with adjacent 3 carbons only.Since the valence electrons present in carbon are four,one electron is free.Since their is a free electron, it moves freely and conducts electricity.In diamond,each carbon atom is bonded with 4 carbons in a tetra-hedral structure,there are no free electrons to conduct electricity.Hence graphite is a good conducter of electricity but diamond is a insulater. Because graphite has one free electron and diamond are tightly packed. Because graphite has free electrons while the electrons of diamond are tightly packed.. |
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