Wize High School Grade 12 Chemistry Textbook > Chemical Bonding and Properties of Matter

Additional Practice

Mark Yourself Question

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Draw Lewis structures for the following molecules


a) NH3



b) CO2




c) SO42-


d) PO43-



e) PF3




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Mark Yourself Question

  1. Grab a piece of paper and try this problem yourself.
  2. When you're done, check the "I have answered this question" box below.
  3. View the solution and report whether you got it right or wrong.


1) Draw Lewis structures for the following molecules

2) List the molecular shape and electron geometry for each


a) NH3.


Molecular shape: ________

Electron Geometry: ________



b) CO2



Molecular shape: ________

Electron geometry: ________


c) SO42-



Molecular Shape: ________

Electron Geometry: ________


d) PF5



Molecular Shape: ________

Electron Geomtry: ________


e) CO



Molecular Shape:________

Electron Geomtry: ________


f) HCN



Molecular Shape: ________

Electron Geomtry: ________


g) SCl2


Molecular Shape: ________

Electron Geomtry: ________


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Mark Yourself Question

  1. Grab a piece of paper and try this problem yourself.
  2. When you're done, check the "I have answered this question" box below.
  3. View the solution and report whether you got it right or wrong.

Draw Lewis structures and give the other information requested for the following:

  1. NO3-. Polar or nonpolar molecule?
  2. BrF5. Polar or nonpolar molecule? Geometry?
  3. cis Cl2CH2. Polar or nonpolar molecule? Geometry?

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