french scientists. established that combustion is form of chemical action , gave oxygen its name
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Antoine Lavoisier, in full Antoine-Laurent Lavoisier, (born August 26, 1743, Paris, France—died May 8, 1794, Paris), prominent French chemist and leading figure in the 18th-century chemical revolution who developed an experimentally based theory of the chemical reactivity of oxygen and coauthored the modern system for naming chemical substances. Having also served as a leading financier and public administrator before the French Revolution, he was executed with other financiers during the Terror.
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In 1774 Joseph Priestley visited Paris. He told Lavoisier about the gas produced when he decomposed the compound we now called mercury oxide. ... In 1779 Lavoisier coined the name oxygen for the element released by mercury oxide. He found oxygen made up 20 percent of air and was vital for combustion and respiration.