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The Nature of Matter · Term 1

Electron Configuration and Valence Electrons

Determining electron configurations and identifying valence electrons for chemical reactivity.

Key Questions

  1. Explain how electron configuration dictates an element's chemical behavior.
  2. Construct electron configurations for various elements using orbital notation.
  3. Predict the number of valence electrons for an element based on its position in the periodic table.

Ontario Curriculum Expectations

HS-PS1-1
Grade: Grade 9
Subject: Science
Unit: The Nature of Matter
Period: Term 1

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