$_{90}Th^{228}$ emits four alpha and one beta particles. The number of neutrons in the daughter element is:
- A$129$
- B$190$
- C$232$
- D$138$
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What is $X$ in the following nuclear reaction?
$_{7}N^{14} + _{1}H^{1} \xrightarrow{} _{8}O^{15} + X$
$_{7}N^{14} + _{1}H^{1} \xrightarrow{} _{8}O^{15} + X$
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