Posted by demolitrate on Saturday, November 5, 2011 at 9:52am.
ya!its due to the delocalised electrons,plz bear in mind that,do not write free electrons during exams,or marks will be deducted!u must write DELOCALIZED ELECTRONS.
giant metallic structure---delocalized electrons
giant ionic structure-----mobile ions
giant covalent-----delocalized
simple molecular struct.----absence of mobile ions
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