Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics A rare
stable isotope of oxygen, 178O, having eightprotons and nineneutrons ; it amounts to 0.037% of theelement innature
Etymologies
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Examples
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For example, oxygen-17 decays first into nitrogen-17 and then fluorine-17.
Egonomics David Marcum 2007
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Using an instrument called a mass spectrometer think of it as an atomic weighing machine, they studied the relative abundance in the meteorite's silicate minerals of three isotopes of oxygen - oxygen-16, oxygen-17 and oxygen-18.
Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph 2011
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In this case, they found a slight excess in the abundance of oxygen-17 and oxygen-18 compared with rocks from Earth, just as we would expect from a Martian rock.
Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph 2011
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An oxygen atom has eight protons in its nucleus, and while most of these also have eight neutrons, oxygen-17 has nine.
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Atmospheric chemist Robina Shaheen at the University of California at San Diego discovered anomalously high levels of oxygen-17 in carbonates found on dust grains, aerosols and dirt on
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The carbonates seen in ALH84001 possessed unusually high levels of the isotope oxygen-17.
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There was an acceleration in the oxygen-17 depletion right when the theorized "snowball Earth" phase abruptly ended.
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Bao and his team use an isotope parameter called the "oxygen-17 anomaly" to measure atmospheric records.
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