oxygen Oxygen is one of the 92 known fractions. An broker is a substance that cannot be decomposed into a simpler substance by any simple means. Each of the 92 naturally occurring elements ar therefore one of the fundamental materials from which everything in the Universe is made. The rack up of Oxygen On August 1,1774, Joseph Priestley examined the effect of intense fire up up on mercuric oxide. He noted that an place or gas was readily expelled from the specimen. To his surprise a atomic number 48 burned in this with a remarkably vigorous flame. He called this cutting substance dephlogisticated advertize, in terms of the current chemical substance scheme of combustion.
On a visit to Paris in 1775 he related his discovery directly to Antoine Lavoisier. Immediately Lavoisier check over the results by accurate experiments and found that Priestleys dephlogisticated air actually unite with metals and opposite substances. Since some of the compounds he formed produced acids he regarded the dephlogisticated air as a acid...If you want to get a safe essay, put it on our website:
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