Overview
Qualification Grading Type
Graded
Graded
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Explain Rutherford model with approximate sizes.
Summarise the nature of protons, neutrons and electrons.
Explain the term isotope.
Distinguish between proton number and mass number.
Use the terms proton number and mass number to explain the variation in the stability of atomic nuclei.
Explain the nature of the alpha and beta decay and the alpha, beta and gamma radiations.
Evaluate biological effects of these radiations.
Justify one medical application of radiation.