Calculating Radioactive Decay Simplified Revision Notes for GCSE AQA Physics

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4.2.6 Calculating Radioactive Decay

Nuclear Equations

Nuclear equations are used to represent radioactive decay.

infoNote

The emission of the different types of nuclear radiation may cause a change in the mass and/or the charge of the nucleus.

Alpha Decay:

Alpha decay causes both the mass and charge of the nucleus to decrease.

Beta Decay:

Beta decay does not cause the mass of the nucleus to change but does cause the charge of the nucleus to increase.

Gamma Decay:

Does not cause the mass or charge to change.

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