The Element Oxygen Consists of Three Naturally Occurring Isotopes: ¹⁶O

question 114

Multiple Choice

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

• A) More than 50% of all O atoms are ¹⁷O.
• B) Almost all O atoms are ¹⁸O.
• C) Almost all O atoms are ¹⁷O.
• D) The isotopes all have the same abundance, i.e. 33.3%.
• E) The abundances of ¹⁷O and ¹⁸O are very small.

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