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P15 syllabus statements

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  • 1. 02/06/14 P15 Radioactivity Syllabus statements
  • 2. 15.1 Detection of radioactivity 1. Demonstrate understanding of background radiation. 2. Describe the detection of α-particles, βparticles and γ-rays. (β+ are not included; β-particles will be taken to refer to β–)
  • 3. 15.2 Characteristics of the three kinds of emission 1. State that radioactive emissions occur randomly over space and time. 2. Recall for radioactive emissions, and use to identify them: • their nature • their relative ionising effects • their relative penetrating abilities.
  • 4. 15.2 Characteristics of the three kinds of emission 3. Describe the deflection of α-particles, βparticles and γ-rays in electric fields and magnetic fields. 4. Interpret their relative ionising effects.
  • 5. 15.3 Radioactive decay 1. State the meaning of radioactive decay. 2. Use equations (involving words or symbols) to represent changes in the composition of the nucleus when particles are emitted.
  • 6. 15.4 Half-life 1. Use the term half-life in simple calculations, including the use of information in tables or decay curves.
  • 7. 15.5 Safety precautions 1. Describe the hazards of ionising radiation to living things. 2. Describe how radioactive materials are handled, used and stored in a safe way to minimise the effects of these hazards.
  • 8. 15.6 The nuclear atom – Isotopes 1. Use the term isotope. 2. Give and explain examples of practical applications of isotopes.