Chem 104 UW Madison 1 2024
exam with 100% correct
answers
The electron region geometries will be ___ (the
same/different) as the molecular geometries when
there are no lone pairs of electrons around the
central atom, but they will be ___ (the
same/different) when there are lone pairs present
on the central atom. - answer the same
different
List the order of sizes from largest to smallest,
regarding lone pairs and bonds. - answer lone pair
> triple bond > double bond > single bond
Lone pairs occupy ___ (more/less) space than single
bonds. - answer more
Double bonds occupy ___ (more/less) space than
triple bonds. - answer less
The force between an ion and a polar molecule is
called ___. - answer ion-dipole
, The force between two polar molecules is called
___. - answer dipole-dipole
The force between a polar molecular and a non-
polar molecule is called ___. - answer ion-induced
dipole
The force between any two molecules that each
have at least one electron is called ___. - answer
London dispersion force
Larger and heavier atoms and molecules exhibit ___
(stronger/weaker) dispersion forces than those
found in smaller and lighter atoms and molecules. -
answer stronger
A molecule that has a charge cloud that is easily
distorted is said to be ___ (not very/very)
polarizable and will have large dispersion forces;
one with a charge cloud that is difficult to distort is
___ (not very/very) polarizable and will have small
dispersion forces. - answer very
not very
exam with 100% correct
answers
The electron region geometries will be ___ (the
same/different) as the molecular geometries when
there are no lone pairs of electrons around the
central atom, but they will be ___ (the
same/different) when there are lone pairs present
on the central atom. - answer the same
different
List the order of sizes from largest to smallest,
regarding lone pairs and bonds. - answer lone pair
> triple bond > double bond > single bond
Lone pairs occupy ___ (more/less) space than single
bonds. - answer more
Double bonds occupy ___ (more/less) space than
triple bonds. - answer less
The force between an ion and a polar molecule is
called ___. - answer ion-dipole
, The force between two polar molecules is called
___. - answer dipole-dipole
The force between a polar molecular and a non-
polar molecule is called ___. - answer ion-induced
dipole
The force between any two molecules that each
have at least one electron is called ___. - answer
London dispersion force
Larger and heavier atoms and molecules exhibit ___
(stronger/weaker) dispersion forces than those
found in smaller and lighter atoms and molecules. -
answer stronger
A molecule that has a charge cloud that is easily
distorted is said to be ___ (not very/very)
polarizable and will have large dispersion forces;
one with a charge cloud that is difficult to distort is
___ (not very/very) polarizable and will have small
dispersion forces. - answer very
not very
