Part 1 of Essay
Chemists observed that there were two types of substances. Those from non-living matter and those from living matter. They were classified into two categories which include inorganic substances and organic substances. Many similar properties were observed by the Chemists. Most inorganic substances were observed to chan ....

Part 2 of Essay
.... of carbon and hydrogen. Almost all other organic compounds can be considered as derivatives of the hydrocarbons. If the carbon atoms are linked in chains, the compounds are called aliphatic compounds. If the atoms are linked in rings, the compounds are called cyclic compounds. (pg.581, ...ibid...) (Biology Pamphlet) In terms of naming organic compounds the number of carbon-carbon chains are named using the prefixes below: meth- 1 carbon eth- 2 prop- 3 but- 4 ....