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GCSE Physics · key term
The nucleus produced when a parent nucleus undergoes radioactive decay.
Used by AQA, Edexcel and OCR
Specification 4.4.2.2, 4.4.4.1 · Paper 1
The nucleus produced by a radioactive decay.
Revise: Nuclear equationsSince the proton number changes, the daughter nucleus belongs to a different element. This example illustrates the balancing method; AQA does not require you to recall the example itself.
One of the two smaller nuclei formed when a large nucleus undergoes fission.
Specification 6.18, 6.19, 6.20, 6.22, 6.38P · Paper 1
The nucleus formed from the parent nucleus by radioactive decay.
Revise: Beta-minus DecaySince an element is identified by its number of protons, the daughter nucleus belongs to the next element in the periodic table.
The new nucleus produced by radioactive decay.
The nucleus produced when a parent nucleus undergoes a nuclear change.
One of the two smaller nuclei formed when a larger nucleus undergoes nuclear fission.
Specification P6.1f, P6.1g · Paper 2 (Foundation), Paper 4 (Higher)
The nucleus produced when a parent nucleus decays.
Revise: Balanced equations for decayAn unstable parent nucleus changes into a daughter nucleus and emits radiation.
The nucleus produced after a radioactive nucleus has decayed.
Paper 1, Paper 2
One of the smaller nuclei produced when a larger nucleus undergoes nuclear fission.
In beta decay, the daughter nucleus has atomic number , not . The emitted electron contributes on the right-hand side.
Use the daughter nucleus's atomic number to identify its element; the mass number alone does not identify an element.
In beta-minus decay, do not reduce the daughter nucleus's atomic number because an electron is emitted. The emitted electron contributes , so the daughter atomic number is one greater.
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