Oxygen

oxygen Oxygen is one of the 92 known fractions. An ingredient is a substance that cannot be decomposed into a simpler substance by any simple means. Each of the 92 naturally occurring elements atomic number 18 therefore one of the fundamental materials from which everything in the Universe is made. The pock of Oxygen On August 1,1774, Joseph Priestley examined the effect of intense wake up on mercuric oxide. He noted that an get off or gas was readily expelled from the specimen. To his surprise a wick burned in this with a remarkably vigorous flame. He called this cutting substance dephlogisticated radiate, in terms of the current chemic scheme of combustion. On a visit to Paris in 1775 he related his discovery directly to Antoine Lavoisier. Immediately Lavoisier go over the results by accurate experiments and found that Priestleys dephlogisticated air actually feature with metals and opposite substances. Since some of the compounds he formed produced a cids he regarded the dephlogisticated air as a acid...If you want to get a exuberant essay, put it on our website: BestEssayCheap.com

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