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Which of the following has the longest bond?
Which of the following is the shortest bond?
Which of the following bonds is the longest?
Which of the following is the strongest bond?
Which of the following is the strongest covalent bond?
Which of the following is the weakest ionic bond?
Which of the following has the smallest bond dipole?
Which of the following molecules has a net dipole?
What is the relationship between bond dipole and bond strength?
What is electronegativity?
What type of bond is formed when a highly electronegative element and an
form a bond?
Which of the following atoms has the highest electronegativity?
Which of the following is the largest?
Why do ionic compounds form crystal lattices instead of isolated molecules?
Which of the following has a noble gas configuration?
Why does MgO exist as Mg2+ O2- not Mg+ O-
Predict the formula of lithium nitride.
Predict the formula of magnesium argonide.
Why do atoms share their electrons?
If two atoms are bonded together, one with six valence electrons, the other
with four, how many
electrons must they share for both to achieve a full octet?
Why does sharing an electron pair between nuclei create a bond?
How many resonance structures are possible for SO3
How much charge resides on each oxygen in SO3
Which of the following molecules has more than one resonance structure?
What is the formal charge on boron in BF4
Lewis structures with less formal charge are more stable. Given this
statement, determine which
structure is more stable, the octet or non-octet structure of
BCl3. (Hint: the octet
structure places a double bond between the B and a Cl atom.)
What is the formal charge on each hydrogen in CH3
What is the formal charge on a triply-bonded oxygen?
How many lone pairs are present in the Lewis structure for NF3?
Explain why the Lewis structure for SF6 has twelve electrons
around sulfur instead of
How many lone pairs are present on iodine in IF4
Which of the following is a correct explanation of why it is difficult to
draw the Lewis structure for
How many different types of oxygen atoms are present in the molecule
What is the molecular geometry of oxygen in H3O+?
Why is it reasonable for VSEPR to assume that electron pairs are oriented
as far away as possible from one another?
What is the molecular geometry of I3
Which has a smaller bond angle between oxygen atoms,
Which of the following ions produces unreasonable Lewis structures?
How many different types of bonding overlap are possible for a homonuclear
diatomic molecule like
W2 when only considering bonding through the p orbitals?
What property of B2 would change if the energy of its p
bonds were raised above its s bond formed from the
overlap of its 2p
The Lewis structure of NO is difficult to draw due to its odd number of
electrons. Use molecular
orbital theory to predict which atom has the odd electron.
Light can be used to excite electrons enough to remove an electron from a
molecule. When light of
an appropriate frequency is shined on oxygen, the O-O bond becomes stronger
despite the loss of an
Is molecular nitrogen paramagnetic or diamagnetic? Why?
How does the molecular orbital diagram for LiF account for the fact that
LiF is an ionic compound?
What determines the heights of the orbitals for each single atom in a
Which atom's 2s orbital would be lower on the orbital correlation diagram,
B or C?
What is the hybridization of oxygen in CH2OH+?
What is the hybridization of the central nitrogen in N2O?
Which of the following statements contrasts hybridization and molecular
orbital theory for polyatomic
Photoelectron spectroscopy can be used to determine the energy levels in
photoelectron spectrum for silane reveals two different low energy peaks
indicating the two distinct energy levels
for the bonded electrons. Which of the following bonding descriptions is
not consistent with the
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