Oxygen occurs in nature as a mixture of isotopes 16 O, 17 O and 18 O having atomic masses…
Chemistry · Class 11 · CBSE — Some Basic Concepts of Chemistry
Oxygen occurs in nature as a mixture of isotopes 16O, 17O and 18O having atomic masses of 15.995 u, 16.999 u and 17.999 u and relative abundance of 99.763%, 0.037% and 0.200% respectively. What is the average atomic mass of oxygen?
- 15.999 u
- 16.999 u
- 17.999 u
- 18.999 u
Answer
(A) 15.999 u
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