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Radioactivity (A-level only)

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Question 70

What is the mass difference of a  715N^{15}_{\ 7}\text{N} 715​N nucleus?

0.12266 u0.12266\text{ u}0.12266 u

0.12405 u0.12405\text{ u}0.12405 u

0.12032 u0.12032\text{ u}0.12032 u

0.11893 u0.11893\text{ u}0.11893 u

Radioactivity (A-level only) Questions

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