The concept map that shows the connections between Lewis dot structures, shapes of the molecules and the polarity should be constructed. Concept introduction: The Lewis structures are the diagrams that are used to show the bonding between various atoms in a covalent molecule and the number of lone pairs present in that molecule. These are also known as Lewis dot diagrams, electron dot diagrams, Lewis dot structures or Lewis dot formula. These are used to predict the geometry, polarity, and reactivity of covalent compounds. The molecular shape is the three-dimensional arrangement of atoms in the molecule. It depends on the bond pairs as well as lone pairs. The polarity refers to the separation of electric charge that leads to some electric dipole moment in the molecule. It arises due to the difference in the electronegativity between the bonded atoms. More the electronegativity difference between the atoms, higher will be the dipole moment and therefore high polarity.
The concept map that shows the connections between Lewis dot structures, shapes of the molecules and the polarity should be constructed. Concept introduction: The Lewis structures are the diagrams that are used to show the bonding between various atoms in a covalent molecule and the number of lone pairs present in that molecule. These are also known as Lewis dot diagrams, electron dot diagrams, Lewis dot structures or Lewis dot formula. These are used to predict the geometry, polarity, and reactivity of covalent compounds. The molecular shape is the three-dimensional arrangement of atoms in the molecule. It depends on the bond pairs as well as lone pairs. The polarity refers to the separation of electric charge that leads to some electric dipole moment in the molecule. It arises due to the difference in the electronegativity between the bonded atoms. More the electronegativity difference between the atoms, higher will be the dipole moment and therefore high polarity.
Solution Summary: The author explains the concept map that shows the connections between Lewis structures, shapes of the molecules, and the polarity.
The concept map that shows the connections between Lewis dot structures, shapes of the molecules and the polarity should be constructed.
Concept introduction:
The Lewis structures are the diagrams that are used to show the bonding between various atoms in a covalent molecule and the number of lone pairs present in that molecule. These are also known as Lewis dot diagrams, electron dot diagrams, Lewis dot structures or Lewis dot formula. These are used to predict the geometry, polarity, and reactivity of covalent compounds.
The molecular shape is the three-dimensional arrangement of atoms in the molecule. It depends on the bond pairs as well as lone pairs.
The polarity refers to the separation of electric charge that leads to some electric dipole moment in the molecule. It arises due to the difference in the electronegativity between the bonded atoms. More the electronegativity difference between the atoms, higher will be the dipole moment and therefore high polarity.
Following is a molecule with polar bonds whose shape was obtained using the VSEPR theory. Specify the
molecular shape of this molecule, and whether the molecule is polar or nonpolar.
(Hint: In terms of polarity, see whether the dipoles in the molecule cancel or not. A molecule containing polar bonds can be nanpolar if the
dipoles cancel each other. You can imagine the dipoles as ropes pulling on the central atom–If the pulls cancel each other, that is, the
central atom cannot move, then the molecule is nonpolar. If on the other hand the opposite is true, then the molecule is polar.)
O trigonal pyramidal shape, nonpolar
O trigonal planar shape, nonpolar
O tetrahedral shape, polar
O trigonal pyramidal shape, polar
O trigonal planar shape, polar
Many organic compounds belong to a category of molecules called "hydrocarbons", meaning that they only
contain hydrogen and carbons. An example of a simple hydrocarbon is shown below. Considering both the
VSEPR shape of the molecule and electronegativity values of the elements and state whether you expect this
simple hydrocarbon to be polar or nonpolar. Explain your answer.
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H-C-C-H
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A molecule is made of one hydrogen atom bonded to one fluorine atom. What information is necessary to determine whether this is a polar molecule?
Chapter 10 Solutions
General Chemistry: Principles and Modern Applications (11th Edition)
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