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Ancient Greeks believed there are 4 elements: earth, air, fire, and water. -
Phosphorus was first made by Hennig Brandt in Hamburg in Germany in 1669. When he evaporated urine and heated the residue until it was red hot.
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Discovered 9 new gases 2 of them being oxygen and carbon dioxide. He also mixed it with water to make carbonated soda water. -
Assisted with the discovery and the role of oxygen in combustion and respiration, proved the law of conservation, reformed the chemical nomenclature, and named hydrogen.
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Davy discovers sodium and potassium -
Created the davy lamp which protected explosions during experiments and discovered laughing gas.