Lesson Details


  • Name: Atoms and isotopes
  • Code: P.4.10.AS.1
  • Specification Reference: 6.4
  • Keywords: Isotope, mass number, atomic number
  • Objectives: To determine the number of protons, neutrons and electrons in an atom. To state what is meant by an isotope. To describe the development of the atom.
  • Competency: Can determine the number of protons, neutrons and electrons in an atom
  • Proficiency: Can describe key experiments in the development of the atom
  • Mastery: Can describe in detail the development of the atomic model

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