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Carbon - How Carbon Is Found, Graphite, Diamond, The Chemistry Of Carbon, Why Carbon Is Special - Classes of carbon compounds

organic chemical atomic sun

Carbon is the non-metallic chemical element of atomic number 6 in Group 14 of the periodic table, symbol C, atomic weight 12.01, specific gravity as graphite 2.25, as diamond 3.51. Its stable isotopes are 12C (98.90%) and 13C (1.10%). The weight of the 12C atom is the international standard on which atomic weights are based. It is defined as weighing exactly 12.00000 atomic mass units.

Carbon has been known since prehistoric times. It gets its name from carbo, the Latin word for charcoal, which is almost pure carbon. In various forms, carbon is found not only on Earth, but in the atmospheres of other planets, in the Sun and stars, in comets, and in some meteorites.

On Earth, carbon can be considered to be the most important of all the chemical elements, because it is the essential element in practically all of the chemical compounds in living things. Carbon compounds are what make the processes of life work. Beyond Earth, carbon-atom nuclei are an essential part of the nuclear fusion reactions that produce the energy of the Sun and of many other stars. Without carbon, the Sun would be cold and dark.

It is obviously impossible to summarize the properties of carbon's millions of compounds in one place. Introductory textbooks of organic chemistry generally run well over a thousand pages, and biochemistry textbooks run thousands more. But organic compounds can be classified into families that have similar properties, because they have certain groupings of atoms in common.

Resources

Books

Johnson, A. William. Invitation to Organic Chemistry. Boston: Jones & Bartlett, 1999.

Loudon, G. Marc. Organic Chemistry. Menlo Park, CA: Benjamin/Cummings,1988.

Parker, Sybil P., ed. McGraw-Hill Encyclopedia of Chemistry. 2nd ed. New York: McGraw-Hill, 1999.

Sherwood, Martin, and Christine Sutton, eds. The Physical World. New York: Oxford University Press, 1991.


Robert L. Wolke

Carbon Cycle - Cellular Respiration, The Burning Of Fossil Fuels, The Carbon Cycle In Land And Sea, Importance Of The Carbon Cycle - How carbon is released into the atmosphere, Volcanic eruption [next]

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about 7 years ago

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over 2 years ago

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over 5 years ago

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over 5 years ago

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over 5 years ago

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over 5 years ago

is carbon mined or made?

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about 6 years ago

how and from where can i buy carbon?