The History of Carbon
I. Introduction
A. The History of Carbon
II. Occurrences in Nature
A. Diamond
B. Graphite
C. Coal and Charcoal
D. Amorphous Carbon
III. Carbon Compounds
A. Inorganic
B. Organic
IV. The Carbon Cycle
IV. Conclusion
Carbon, an element discovered before history itself, is one of the most
abundant elements in the universe. It can be found in the sun, the stars,
comets, and the atmospheres of most planets. There are close to ten million
known carbon compounds, many thousands of which are vital to the basis of life
itself (WWW 1).
Carbon occurs in many forms in nature. One of its purest forms is diamond.
Diamond is the hardest substance known on earth. Although diamonds found in
nature are colorless and transparent, when combined with other elements its
color can range from pastels to black. Diamond is a poor conductor of heat and
electricity. Until 1955 the only sources of diamond were found in deposits of
volcanic origin.......
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