Sulfur Ioxie Epa

Oxygen definition, a colorless, odorless, gaseous element constituting about onefifth of the volume of the atmosphere and present in a combined state in naturet is the supporter of combustion in air and was the standard of atomic, combining, and molecular weights until 1961, when carbon 12 became the new standardymbol o atomic weight 1594 atomic number 8 density 190 gl at.

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