Summary

• Description:

  The MS Word document comprises Grade 10 Chemistry Opener Exam Term 2 2026 with Answers (Marking Scheme). The PDF version is also available upon your request. The marking scheme is in a different document.

  • Duration: 2 HOURS

  It covers the following topics:

  • Introduction to Chemistry
    • Definition and branches of Chemistry
    • Chemistry as a science field
    • Careers related to Chemistry
    • Application of Chemistry in agriculture and relationship with other sciences
  • Drugs and Substance Abuse
    • Definition of dosage and prescription
    • Dangers of ignoring dosage instructions
    • Differences between drugs and substances
    • Commonly abused substances and their effects on learners
    • Preventive measures in schools
  • Gender Stereotyping in Sciences
    • Effects on career choices and reduction strategies
  • Structure of the Atom
    • Definition of an atom and subatomic particles
    • Rutherford's atomic model vs Dalton's model
    • Atomic number, mass number, protons, and electrons
    • Calculation of Relative Atomic Mass (RAM) and percentage abundance of isotopes
  • The Periodic Table
    • Electron arrangement using s and p notation
    • Rules for orbital filling
    • Importance of the periodic table and chemical families
    • Drawing the periodic table (first 20 elements)
    • Transition elements
  • Chemical Bonding and Formulae
    • Definition of radicals
    • Electron spins and electron arrangement of ions
    • Using valencies to write compound formulae
    • Dots and crosses diagrams for ions
  • Chemical Equations
    • Writing balanced chemical equations with physical states
• File Size:

  57.07 KB
• Length:

  5 pages
• Category:

  Exams
• Level:

  Grade 10
• Subject:

  CHEMISTRY
• Posted By:

  Caleb_Peter

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