1
2
3
4
5
100
example of a non-polar molecule:
CCl4, carbon tetrachloride
100
Forces of attraction between molecules
Intermolecular Forces
100
Intermolecular Forces are weaker than _________ and ionic bonds.
covalent
100
force of attraction between the positive end of one molecule and the negative end of another molecule
Dipole-dipole forces
100
the strongest of all the intermolecular forces
Dipole-dipole forces
200
This bonding occurs in molecules with H-F , H-O , and H-N bonds:
hydrogen bonding
200
In this type of bonding, large positive charge on H is attracted to an unshared pair of electrons on a neighboring molecule.
hydrogen bonding
200
What is the weak intermolecular forces resulting from constant motion of electrons.
London Dispersion Forces
200
The only type of intermolecular force between nonpolar molecules
London Dispersion Forces
200
Electronegativity difference of more than 1.7 results in this kind of bonding.
Ionic
300
Electronegativity difference between o.3 and 1.7 results in this kind of bonding.
polar covalent
300
Electronegativity difference of less than 0.3 results in this kind of bonding.
non-polar covalent
300
Which of the following would describe the bond between magnesium and chlorine (MgCl2)?
a. ionic
b. metallic
c. polar covalent
d. non-polar covalent
a. ionic
3-1.2 = 1.8
which is greater than 1.7
300
When two atoms share three pair of electrons, the bond is called a __
a. single bond
b. double bond
c. triple bond
c. triple bond
300
A molecule containing only two atoms has which of the following shapes?
a. linear
b. trigonal planar
c. tetrahedral
a. linear
400
A molecule in which central atom is bonded to four other atoms has which of the following shapes?
a. linear
b. trigonal planar
c. tetrahedral
d. trigonal pyramidal
c. tetrahedral
400
A molecule is considered non-polar if which of the following is true?
a. all bonds within the molecule are non-polar
b. bonds are polar and positive ends exit
c. bonds are polar but no positive ends exist
d. both a and c are true
d. both a and c are true
400
What is the strongest intermolecular force that exists in polar molecules?
a. dipole-dipole
b. ionic
c. London-dispersion forces
a. dipole-dipole
400
What is the intermolecular force that exists in all molecules called?
a. dipole-dipole
b. hydrogen bonding
c. London-dispersion forces
c. London-dispersion forces