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Oxygen 1

Definition: A colorless, tasteless, odorless, gaseous element occurring in the free state in the atmosphere, of which it forms about per cent by weight and about per cent by volume, being slightly heavier than nitrogen. Symbol O. Atomic weight

Oxygen 2

Definition: Chlorine used in bleaching.

oxygen 3

Definition: a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes percent of the atmosphere by volume; the most abundant element in the earth''s crust


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