What is the respective number of \( \alpha \) and \( \beta \) parti...

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What is the respective number of \( \alpha \) and \( \beta \) particles emitted in the following radioactive decay?
\( \mathrm{P} \) \( { }^{200} X_{90} \rightarrow{ }^{168} Y_{80} \)

W
(a) 8 and 8
(b) 8 and 6
(c) 6 and 8
(d) 6 and 6
(1995)
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