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🔬 Science - Class 9
Unit 14 · Atomic Structure and Chemical Bond

Covalent Bond

ScienceSubject
8 minEstimated read
क्रियाकलाप 14.5

Studying covalent bonds with atom models

ObjectiveTo study covalent bonds by making models of atoms.
Materials
  • Cardboard paper
  • Beads of different colours
  • Pea seeds
  • Small clay balls
  • Marker
  • Compass
  • Pencil
  • Glue
  • Thread
Method
  • Collect the materials you need.
  • Use the materials to make models of hydrogen, carbon, nitrogen and oxygen atoms.
  • Use your models to show how pairs of electrons are shared when covalent bonds form in molecules of water, methane, ammonia and hydrogen chloride.
Discussion
  • Display your models and discuss in class how water, methane, ammonia and hydrogen chloride are formed by sharing electrons.
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