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Linear Pairs

Two adjacent angles that form a straight line.

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Linear Pairs
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RWA Linear Pairs


  • Linear Pairs

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Question Text

The student will:

Be exposed to how how geometry is used in molecular chemistry.


Molecular Geometry


  • Linear Pair of Angles
  • Molecular Geometry
  • Linear Molecular Geometry

Student centered

How are linear pairs used in chemistry?

Molecular geometry or molecular structure is the three-dimensional arrangement of the atoms that constitute amolecule. It determines several properties of a substance including its reactivity, polarity, phase of matter, color,magnetism, and biological activity.”

Some common shapes of simple molecules include:

  • Linear: In a linear model, atoms are connected in a straight line. The bond angles are set at 180. A bond angle is very simply the geometric angle between two adjacent bonds. For example, carbon dioxide and nitric oxide have a linear molecular shape.
  • Bent: Bent or angular molecules have a non-linear shape. A good example is water, or H2O, which has an angle of about 105. A water molecule has two pairs of bonded electrons and two unshared lone pairs. Read more here ... http://en.wikipedia.org/wiki/Molecular_geometry

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Extension Investigation

How to determine the electronic and molecular geometry of a molecule.

Layering (optional)

Connections to other CK-12 Subject Areas


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