Atoms and Molecules Free Lessons for Class 9th SCIENCE NCERT


In This Course you will get to know about

  • What is Matter
  • Laws of Chemical combination
  • Dalton’s atomic theory
  • Atomic Symbols
  • Molecules
  • Molecular mass
  • Ions and Types of Ions
  • Valency 
  • Mole Concept and Avogadro Number
  • Solved and unsolved problems Based on Atoms and Molecules
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