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What is the chemical symbol for the element oxygen?

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Quick Answer

The chemical symbol for oxygen is "O." Oxygen is number 8 on the periodic table of the elements, and it is part of the chalcogen group.

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Oxygen has eight neutrons and eight electrons and is classified as a nonmetal. It is colorless and has a cubic structure with an atomic mass of 15.9994 amu. Oxygen's melting point is -361.12 degrees Fahrenheit, and its boiling point is -297.4 degrees.

The first person to publish the discovery of oxygen was Joseph Priestly in 1774. Its name is derived from the Greek "oxus," which means "acid," and "gennan," which means "generate." Oxygen is required to sustain human life, and it is derived from liquid air.

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