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An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration.

Year introduced: 1963

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Tree Number(s): D01.268.185.550, D01.362.670

MeSH Unique ID: D010100

Registry Number: S88TT14065

Entry Terms:

  • Oxygen-16
  • Oxygen 16
  • Dioxygen

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