Diamond mein carbon ke strong tetrahedral bonds hain, graphite mein layers hain jo weakly bonded hain, aur fullerene football jaisa structure hai. Ye sab allotropes hain, par graphite hi conductive hai kyuki usme free electrons hain. Main ise roz padhti hoon kyunki solid state chemistry JEE mein important hai, par aajkal dukaan ka rent bharte time lagta hai ki graphite ki tarah pressure mein hi hum chamak paate hain.
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