Chemistry I Atomic Bonding Practice Quiz With Answer Key - Mr. Scott Page 24
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34129)
Four hybrid sp
3
orbitals are formed from
b) an s orbital and a p orbital.
a) two s orbitals and two p
orbitals.
c) three s orbitals and one p
d) one s orbital and three p
orbital.
orbitals.
130)
Dipole-dipole forces are considered the most important forces in polar substances because
the London dispersion forces
a) act only in nonpolar
b) are usually much weaker
substances.
than the dipole-dipole forces.
c) are too unpredictable.
d) act only in solids.
131)
The strength of London dispersion forces between molecules depends on
a) only the number of
b) only the number of protons
electrons in the molecule.
in the molecule.
c) both the number of
d) both the number of
electrons in the molecule and
electrons and the number of
the mass of the molecule.
neutrons in the molecule.
132)
The strong forces of attraction between the positive and negative regions of molecules are
called
a) dipole-dipole forces.
b) London forces.
c) lattice forces.
d) orbital forces.
133)
The intermolecular attraction between a hydrogen atom bonded to a strongly electronegative
atom and the unshared pair of electrons on another strongly electronegative atom is called
a) electron affinity.
b) covalent bonding.
c) hydrogen bonding.
d) electronegativity.
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