UK-GCSE-SCIENCE-PHYS-AST-02
General Certificate of Secondary Education (GCSE) · 10th Grade
Absorption and emission of ionizing radiations and of electrons and nuclear particles
Child standards (6)
- UK-GCSE-SCIENCE-PHYS-AST-02-01recall that in each atom its electrons are arranged at different distances from the nucleus, that such arrangements may change with absorption or emission of electromagnetic radiation and that atoms can become ions by loss of outer electrons
- UK-GCSE-SCIENCE-PHYS-AST-02-02recall that some nuclei are unstable and may emit alpha particles, beta particles, or neutrons, and electromagnetic radiation as gamma rays; relate these emissions to possible changes in the mass or the charge of the nucleus, or both
- UK-GCSE-SCIENCE-PHYS-AST-02-03use names and symbols of common nuclei and particles to write balanced equations that represent radioactive decay
- UK-GCSE-SCIENCE-PHYS-AST-02-04explain the concept of half-life and how this is related to the random nature of radioactive decay
- UK-GCSE-SCIENCE-PHYS-AST-02-05recall the differences in the penetration properties of alpha-particles, beta-particles and gamma-rays
- UK-GCSE-SCIENCE-PHYS-AST-02-06recall the differences between contamination and irradiation effects and compare the hazards associated with these two