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The element oxygen consists of three naturally occurring isotopes: 16O, 17O, and 18O. The atomic ...

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The element oxygen consists of three naturally occurring isotopes: 16O, 17O, and 18O. The atomic ...

The element oxygen consists of three naturally occurring isotopes: ¹⁶O, ¹⁷O, and ¹⁸O. The atomic mass of oxygen is 16.0 amu. What can be implied about the relative abundances of these isotopes?

▸ More than 50% of all O atoms are ¹⁷O.

▸ Almost all O atoms are ¹⁸O.

▸ Almost all O atoms are ¹⁷O.

▸ The isotopes all have the same abundance, i.e. 33.3%.

▸ The abundances of ¹⁷O and ¹⁸O are very small.

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Chemistry

Edition: 11^th

Authors: Chang, Goldsby

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