OXYGEN

Oxygen

Oxygen is a chemical element with symbol O and atomic number 8. It is a member of the chalcogen group on the periodic table and is a highly reactive nonmetallic element and oxidizing agent that readily forms compounds with most elements. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium At STP, two atoms of the element bind to form dioxygen, a diatomic gas that is colorless, odorless, and tasteless; with the formula .

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oxygen

Noun

  1. A chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994.
  2. Molecular oxygen (O2), a colorless, odorless gas at room temperature.
  3. A mixture of oxygen and other gases, administered to a patient to help him or her to breathe.
  4. An atom of this element.


The above text is a snippet from Wiktionary: oxygen
and as such is available under the Creative Commons Attribution/Share-Alike License.

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