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...History organic chemistry deals with the compounds of carbon science is considered to have originated in publication by lemery nof a book that classified substances according their origin as mineral vegetable or animal derived from plants and animals became known those nonliving sources were inorganic until it was believed could not be formed except living this vital force theory belief severely limited development wohler accident found application heat ammonium cyanate an compound caused change urea nature discovery dealt death blow modern well established today about million are many these products synthetic similar approximately chemicals commercial use elements all contain combination one more hydrocarbons only hydrogen great oxygen they major minor naturally occurring nitrogen phosphorus sulfur sometimes halogens metals produced synthesis may addition wide variety other properties general differ greatly seven respects usually combustible lower melting boiling points less soluble w...