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Facts about Compounds

Compounds are chemicals made from atoms of different elements joined by chemical bonds. They can only be separated by a chemical reaction. A mixture is made from molecules of elements and compounds that are simply mixed together, without chemical bonds.

Some other common compounds include the following:Carbon dioxide gas (CO2) formed by combination of carbon and oxygen. ... Common salt (NaCl), which has the chemical name of sodium chloride and is composed of sodium and chlorine.Alcohol (C6H5OH) is an organic compound composed of carbon, hydrogen and oxygen.

In the early 1960s, however, krypton was found to react with the element fluorine when both are combined in an electrical-discharge tube at −183 °C (−297 °F); the compound formed is krypton difluoride, KrF2.Jan 24, 2018