What is graphite? How is graphite artificially manufactured? Describe the structure of graphite
Answers
Answer:
Graphite, archaically referred to as plumbago, is a crystalline form of the element carbon with its atoms arranged in a hexagonal structure.
Synthetic graphite is a material consisting of graphitic carbon which has been obtained by graphitizing of non-graphitic carbon, by CVD from hydrocarbons at temperatures above 2500 K, by decomposition of thermally unstable carbides or by crystallizing from metal melts supersaturated with carbon.
Graphite has a giant covalent structure consisting of layers of carbon atoms. Carbon atoms have 4 valence electrons that are available for bonding. In graphite, each carbon atom is covalently bonded to 3 other carbon atoms. Therefore, every carbon atom has 1 electron that is not used for bonding.
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Answer:
Graphite, archaically referred to as plumbago, is a crystalline form of the element carbon with its atoms arranged in a hexagonal structure. It occurs naturally in this form and is the most stable form of carbon under standard conditions. Under high pressures and temperatures it converts to diamond. Wikipedia
Optical properties: Uniaxial (–)
Crystal system: Hexagonal
Crystal habit: Tabular, six-sided foliated masses, granular to compacted masses
Crystal class: Dihexagonal dipyramidal (6/mmm); Hermann–Mauguin notation: (6/m 2/m 2/m)
Space group: P63mc (buckled) P63/mmc (flat)
Density: 2.09–2.23 g/cm3
Chemical formula
Chemical Formula: C
Empirical Formula: C
Environment: Metamorphosed limestones, organic-rich shales, and coal beds..
IMA Status: Valid Species (Pre-IMA) Prehistory