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Radioactivity (A-level only)

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Question 69

The radius of a nucleus of the oxygen nuclide 816O^{16}_{8}\text{O}816​O is approximately 2.70 × 10-15 m. What is the approximate radius of a nucleus of the gold nuclide 79197Au^{197}_{79}\text{Au}79197​Au?

3.38×10−15 m3.38 \times 10^{-15} \text{ m}3.38×10−15 m

6.23×10−15 m6.23 \times 10^{-15} \text{ m}6.23×10−15 m

9.51×10−15 m9.51 \times 10^{-15} \text{ m}9.51×10−15 m

33.2×10−15 m33.2 \times 10^{-15} \text{ m}33.2×10−15 m

Radioactivity (A-level only) Questions

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