graphite form sublimes at 3367 C, triple point (graphite-liquid-gas) is 3627 C, common isotopes include C-13 and C-14, atoms form long chains
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+2,+4,-4
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(L. carbo,charcoal) Found abundantly in nature, known to ancients, allotropic forms include diamond,graphite and amorphous (coke, charcoal, carbon black, soot and boneblack).Graphite is soft, while diamond is hard.
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C-14 isotope used in archaeological dating, forms limestone rock masses, carbon dioxide, organic life processes,atleast a million known carbon compounds