CH-215
Isotopes
Chemistry · Secondary 3 · Medium · Isotopes
A gaseous element has three isotopes with relative masses 28, 29 and 30. Their abundances are 92.0%, 3.0% and 5.0% respectively. What is the relative atomic mass of the element?
- 28.0
- 28.1
- 28.5
- 29.0
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