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  1. oxygen-16, 99.759% of naturally occurring oxygen
  2. oxygen-18, 0.204% of naturally occurring oxygen
  3. oxygen-17, 0.037%, of naturally occurring oxygen

Naturally Occurring Isotopes

Mass Number Natural Abundance Half-life 16 99.757% STABLE 17 0.038% STABLE 18 0.205% STABLE
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10y ago

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