Which of the following nuclei is unstable ?

_{5} B^{10}

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_{4} B e^{10}

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_{7} N^{14}

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_{8} O^{16}

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Solution

The correct option is B $_{4} B e^{10}$
$_{4} B e^{10}$ nuclei is unstable due to high n/p ratio which is $\frac{10}{4}$ . Lighter nuclei have n/p ratio around 1.

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Similar questions

_{4} B e^{10} \to_{5} B^{10} + e^{-}

_{8} O^{16},_{8} O^{17}

_{8} O^{18}

_{6} C^{14}

_{7} N^{14}

_{6} C^{13}

_{7} N^{14}

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