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Give one word or term for each of the following descriptions: 1.1 The shape of a CCI, molecule. 1.2 The shape of a molecule with the formula AX 1.3 The measure of attraction for a shared pair of bonding electrons.

Give one word or term for each of the following descriptions: 1.1 The shape of a CCI, molecule. 1.2 The shape of a molecule with the formula AX 1.3 The measure of attraction for a shared pair of bonding electrons.

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter7: Chemical Bonding And Molecular Geometry
Section: Chapter Questions
Problem 113E: Use the simulation (http://openstaxcollege.org/l/16MolecPolarity) to perform the following exercises...
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Shapes of molecules, polar and non-polar molecules Give one word or term for each of the following descriptions: The shape of a CCI, molecule. 1.2 The shape of a molecule with the formula AX 1.3 The measure of attraction for a shared pair of bonding electrons. 21 1.1 Molecules of NH, H,O and HF contain covalent bonds. The bonds in these molecules are polar. 2.1 Explain what is meant by the terms covalent bond and polar bond. 2.2 Explain why an H-F bond is polar. 2.3 State which one of the molecules NH, H,O or HF contain the least polar bond. 2.4 Explain why your chosen bond in Question 2.3 is less polar than the bonds in the other two molecules. The boiling points of NH,, H O and HF are all high for molecules of their size. This is due to the type of intermolecular force present in 3. each case. 3.1 Identify the type of intermolecular force responsible for the high boiling points. 3.2 Draw a diagram to show how two molecules of ammonia are attracted to each other by this type of intermolecular force. Include partial charges and all lone pairs of electrons in your diagram. 3.3 Name the shape produced by the arrangement of the atoms in the H,O molecule. The VSEPR theory is used to predict the shapes of molecules. 4.1 What does the abbreviation VSEPR stand for? 4. Module 2 Revision and extension 123
Transcribed Image Text:Shapes of molecules, polar and non-polar molecules Give one word or term for each of the following descriptions: The shape of a CCI, molecule. 1.2 The shape of a molecule with the formula AX 1.3 The measure of attraction for a shared pair of bonding electrons. 21 1.1 Molecules of NH, H,O and HF contain covalent bonds. The bonds in these molecules are polar. 2.1 Explain what is meant by the terms covalent bond and polar bond. 2.2 Explain why an H-F bond is polar. 2.3 State which one of the molecules NH, H,O or HF contain the least polar bond. 2.4 Explain why your chosen bond in Question 2.3 is less polar than the bonds in the other two molecules. The boiling points of NH,, H O and HF are all high for molecules of their size. This is due to the type of intermolecular force present in 3. each case. 3.1 Identify the type of intermolecular force responsible for the high boiling points. 3.2 Draw a diagram to show how two molecules of ammonia are attracted to each other by this type of intermolecular force. Include partial charges and all lone pairs of electrons in your diagram. 3.3 Name the shape produced by the arrangement of the atoms in the H,O molecule. The VSEPR theory is used to predict the shapes of molecules. 4.1 What does the abbreviation VSEPR stand for? 4. Module 2 Revision and extension 123
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