Question

Write the nuclear equation for the beta decay of Aluminum-25.

Answer 1

We want to write the nuclear equation for the beta decay of Aluminium-25.

The equation is:

$^{25}_{13}Al \implies ^{25}_{14}Si + ^{0}_{-1}e$

First, as you may know, in a beta decay the number of protons is increased by one. Aluminium has 13 of them, so after the decay, we will have 14 protons.

This means that the aluminium will transform into silicon, then the nuclear equation is just:

$^{25}_{13}Al \implies ^{25}_{14}Si + ^{0}_{-1}e$

Where the:

$^{0}_{-1}e$

Is an electron, which is the emitted particle in the beta decay.

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