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Nuclear Fission and Nuclear Fusion

Question 1 • Foothill-B Period-Chemistry-26/27B

Determine which decay process is being described in each case.The atomic number deceases by one, and the atomic mass is unchanged.

Answer
A
alpha decay
B
beta-minus decay
C
beta-plus decay

Explanation

In beta-plus decay, a proton changes into a neutron and emits a positron. The number of protons (atomic number) decreases by one, while the total number of protons and neutrons (atomic mass) stays unchanged. Therefore, the described process is beta-plus decay.

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