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Beta Decay

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Question

Write a balanced nuclear reaction showing emission of a $β$ -particles by $_{90}^{234} T h$ . (symbol of daughter nucleus formed in the process is Pa.)

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Solution

A balanced nuclear reaction showing emission of a $β$ particle by $_{90}^{234} T h$ is as follows:
$_{90} T h^{234} \to_{91} P a^{234} +_{- 1} P^{0} + ¯ v$ .

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