100 Greatest Discoveries - CHEMISTRY (2004)

Science Channel

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To watch all 100 Greatest Discoveries in High Definition, please visit: 100 Greatest Discoveries
Scientists have transformed the way we think and live throughout the centuries. What are the most important scientific discoveries of all time? In no particular order, we present the top 100 in eight different categories.
100 Greatest Discoveries - CHEMISTRY

1. Oxygen (1770s)
Joseph Priestley discovers oxygen; later, Antoine Lavoisier clarifies the nature of elements. Priestley produces oxygen in experiments and describes its role in combustion and respiration. Then, by dissolving fixed air in water, he invents carbonated water. Priestley, oblivious to the importance of his discovery, calls the new gas "dephlogisticated air." Lavoisier gives oxygen its name and correctly describes its role in combustion. Lavoisier then works with others to devise a chemical nomenclature, which serves as the basis of the modern system.

2. Atomic Theory (1808)
John Dalton provides a way of linking in... (read more)

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