Physics · Triple Science Higher
Atomic Structure
Spec 4.4Paper 11 required practical11 subtopics
Subtopics
1
The Structure of an Atom
Describe the structure of an atom including the nucleus, protons, neutrons and electrons.
2
Mass Number, Atomic Number and Isotopes
Define atomic number, mass number and isotopes and interpret nuclear notation.
3
Development of the Model of the Atom
Describe how the model of the atom developed from solid sphere to nuclear model.
4
Radioactive Decay and Nuclear Radiation
Describe alpha, beta and gamma radiation, their properties and uses and dangers.
5
Nuclear Equations
Write and balance nuclear equations for alpha and beta decay.
6
Half-Lives and Radioactive Decay
Define half-life, calculate remaining activity and explain the random nature of decay.
7
Radioactive Contamination
Distinguish contamination from irradiation and explain the hazards and precautions for each.
8
Background Radiation
Describe sources of background radiation and explain why it must be considered in measurements.
9
Uses of Nuclear Radiation
Describe the uses of alpha, beta and gamma radiation in medicine and industry.
10
Nuclear Fission
Describe nuclear fission, chain reactions and the basic operation of a nuclear reactor.
11
Nuclear Fusion
Describe nuclear fusion, why it requires extreme conditions and its potential as an energy source.
Higher tier only
Nuclear equations with correct notation
Uses and hazards of radiation
Triple science extension
Background radiation
Uses of nuclear radiation
Nuclear fission
Nuclear fusion
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Particle Model of Matter
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Forces