• Code: C.4.10.AS.5
  • Spefication Reference: 4.1.2.2
  • Keywords: Atomic mass, mendeleev, predictions, law of ocatves
  • Objectives: To state that the periodic table was originally arranged in increasing atomic mass. To state what is meant by the law of octaves. To describe the work by Dimitri Mendeleev.
  • Competency: Describe the steps in the development of the periodic table.
  • Proficiency: Explain the stages in the development of the modern table
  • Mastery: Describe and explain how testing a prediction can support or refute a new scientific idea

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