Duration: 10:25

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Classify each of the following nuclides as either "beta \( \left({ }_{-1}^{0} \beta\right) \) emitter", or "positron \( \left({ }_{+1}^{0} \beta\right) \) emitter":
\( \mathrm{P} \)
\[
\begin{array}{lll}
{ }_{20}^{49} \mathrm{Ca} & { }_{5}^{8} \mathrm{~B} & { }_{13}^{30} \mathrm{Al} \\
{ }_{80}^{195} \mathrm{Hg} & { }_{67}^{150} \mathrm{Ho} & { }_{36}^{94} \mathrm{Kr}
\end{array}
\]
W
Note: \( { }_{36}^{84} \mathrm{Kr} ;{ }_{80}^{200} \mathrm{Hg} \) and \( { }_{67}^{165} \mathrm{Ho} \) are stable
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