Chemistry · May / June 2025 · Paper 12 · Question 6
5070Isotopes
The table shows data about the two isotopes in a sample of the element europium. | relative mass of isotope | percentage abundance of isotope | |---|---| | 150.92 | 47.81 | | 152.92 | 52.19 | What is the relative atomic mass of this sample of europium?
- A151.88
- B151.96
- C152.00
- D152.04
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Correct answer: B. 151.96
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