2.2.5-2.2.6 - Bond Polarity and Molecule Polarity
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In a covalent bond, which element will the shared pair of electrons be closer to?
the more electronegative element
What does the polarity of a molecule depend on?
the polarity of the individual bonds and the orientation of the bonds with respect to each other in 3D space
How could someone tell if a molecule is polar or not?
if the molecule is symmetrical and the dipole moments are all equal in magnitude, the molecule is non-polar
In terms of dipole moments, what makes a molecule polar?
a non-zero dipole moment
How do lone pairs play a role in determining whether a molecule is polar or not?
the give the molecule an uneven charge distribution and an overall non-zero dipole moment (shape is not symmetrical)
What is the phrase that describes how substances dissolve one another?
like dissolves like