In the Initial Sequence of Thorium-232 Decay, an Alpha Particle

question 1

Multiple Choice

In the initial sequence of thorium-232 decay, an alpha particle is emitted followed by a beta particle. What is the product of these two decay steps?

• A)radium-228
• B)actinium-228
• C)thorium-228
• D)francium-228
• E)The correct answer differs from these possibilities.

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