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VB theory
________ uses hypothetical hybrid orbitals to explain methane bonding.
electron density
The ________ in a sigma molecular orbital is focused symmetrically along a line connecting the two nuclei of the bonding atoms.
dipole moments
Because they lack ________, nonpolar molecules are nonpolar.
Polar molecules
________ are diatomic compounds with dipole moments that comprise atoms of various elements (for example, HCl, CO, and NO)
covalent link
A pi bond is a(n) ________ produced by sideways overlapping orbitals with electron density concentrated above and below the plane of the connecting atoms 'nucleus.
total number of atomic orbitals
The ________ formed is always equal to the total number of molecular orbitals formed.
number of electrons
The ________ in bonding molecular orbitals is always greater than that in antibonding molecular orbitals in a stable molecule.
covalent bonds
The molecular orbital theory defines ________ in terms of molecular orbitals, which are associated with the entire molecule and result from the interaction of the atomic orbitals of the bonding atoms.
electron density
The ________ is concentrated above and below a line connecting the two nuclei of the bonding atoms in a pi molecular orbital.
dipole moment
The ________, which is the product of the charge Q and the distance r between the charges, is a quantitative measure of a bond's polarity: µ= Q × r.
Note
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