WorksheetsB is for Bonding
Total questions: 26
Worksheet time: 13mins
Polar substances have both dipole-dipole and London dispersion forces, but dipole-dipole interactions are
are stronger than London dispersion forces.
are more unpredictable.
are weaker than London dispersion forces.
are only in nonpolar compounds.
A compound that evaporates easily is most likely a
brittle compound.
molecular compound.
ionic compound.
metal.
Which type of bond has has positive cations surrounded by a sea of electrons?
metallic
ionic
polar covalent
nonpolar covalent
In molecular compounds, attractive forces between molecules are
stronger than ionic bonding.
weaker than ionic bonding.
zero.
equal to ionic bonding.
How many electrons do you draw in the Lewis dot structure for the cyanide ion, CN-1.
8
2
10
6
What is being shared in a covalent bond?
dipoles
ions
electrons
Lewis structures
Melting points of molecular compounds are
equal to ionic compounds.
lower than ionic compounds.
higher than ionic compounds.
zero.
Water has a higher boiling point that most polar covalent compounds because it has
dipole-dipole interactions.
hydrogen bonding.
London dispersion forces.
magnetic forces.
In chlorine gas, Cl2, the chlorine atoms share electrons so that each atom has how many electrons?
2
10
6
8
How many more electrons does Nitrogen need to satisfy the octet rule?
1
3
5
8
Which of the following compounds is polar?
CO2
NH3
CH4
CCl4
All of the following are properties of ionic compounds except
hardness.
brittleness.
low boiling point.
conductivity in the melt.
Molecular compounds
are more brittle than ionic compounds.
have lower melting points than ionic compounds.
have higher boiling points than ionic compounds.
are harder than ionic compounds.
Metals can be hammered into sheets because
metallic bonds are easily broken.
metallic bonds do not produce ions.
metallic bonds are rigid.
metallic bonds allow layers to slide past each other.
Which periodic table family satisfy the octet rule without bonding?
Noble gasses.
Alkaline-earth metals.
Alkali metals.
transition metals.
In an ionic crystal, cations are surrounded by
anions.
positive ions.
molecules.
dipoles.
Except for hydrogen, how many electrons do non-metals want in a Lewis structure?
2
4
5
8
Which of the following does not readily conduct electricity?
salt water
pure water
copper wire
human body
Which of the following will conduct electricity?
C6H14 (l)
CaCl2 (s)
Au (s)
H2O (l)
If two covalently bonded atoms have the same electronegativities, the bond is
polar covalent.
nonpolar covalent.
ionic.
covalent.
Ethanol dissolves in water because
both methanol and water are polar.
both methanol and water are nonpolar.
methanol is nonpolar and water is polar.
methanol is polar and water is nonpolar.
Which of the following is polar?
CH4
NH3
N2
Cl2
If the polar bears are atoms and the sodas are electrons, this would be a __________ bond.
polar covalent
nonpolar covalent
ionic
metallic
What happens in a polar covalent bond?
Electrons are shared equally
Electrons are attracted to the electronegative atom
Electrons are given to the electronegative atom
Electrons are repulsed by the electronegative atom
Which of the following is polar?
Using the chromatography strip, which of the following statements are correct?
The retention factor of yellow is 0.38.
The retention factor of gray is 0.38.
The retention factor of pink is 0.38.
The retention factor of blue is 0.38.
