Chemical Bonding and Molecular Geometry · Chemical Bonding

VSEPR Theory and Shapes

Predicting the three dimensional arrangement of atoms within a molecule.

Key Questions

  1. 1How do lone pairs of electrons influence the bond angles in a molecule?
  2. 2Why does the shape of a molecule dictate its polarity?
  3. 3How does molecular geometry explain the unique properties of water?

NCCA Curriculum Specifications

NCCA: Senior Cycle - Shapes of MoleculesNCCA: Senior Cycle - Intermolecular Forces
Class/Year: 5th Year
Subject: Foundations of Matter and Chemical Change
Unit: Chemical Bonding and Molecular Geometry
Period: Chemical Bonding

Suggested Methodologies

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Ionic and Covalent Bonding

Comparing the transfer and sharing of electrons between different types of atoms.

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Intermolecular Forces

Investigating the attractions between molecules and their effect on boiling points.

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