IB Physics SL E.3 Radioactive decay questions

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Question 1

Paper 2Medium8 marks

Figure 1 shows four nuclear transformations. In the first sequence, the nucleus formed after alpha decay becomes the parent nucleus in the following beta-minus decay. The symbol * denotes an excited nucleus.

23892Uαnucleus formedin (a)β⁻23491Pa189Fβ⁺188O9943Tc*γ9943Tc
(a)

Write the complete nuclear equation for the alpha decay in the first sequence.

[3]
(b)

Using your answer to (a), write the complete nuclear equation for the beta-minus decay in the first sequence. Include all emitted particles.

[2]
(c)

Write the complete nuclear equation for the beta-plus decay shown in Figure 1. Include all emitted particles.

[2]
(d)

Write the complete nuclear equation for the gamma emission shown in Figure 1.

[1]

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