Share Chemistry Chapter 8 Review
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Covalent bonds form when atoms ________ electrons.
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A triple covalent bond shares how many total electrons?
6
Which of the following atoms would most likely form a diatomic molecule?
oxygen
hydrogen
nitrogen
all of these
__________ bonds form between single bonds.
alpha
pi
beta
sigma
Which of the following elements has 4 valence electrons?
Carbon
Nitrogen
Sulfur
Boron
Molecular compounds are generally composed of what kinds of atoms?
non-metals
How many pairs of electrons are shared in a double covalent bond?
2 pairs
Which of the following elements has the greatest electronegativity?
Iodine
Chlorine
Fluorine
Bromine
The VSEPR model is mainly used to __________________________________.
determine ionic charge
write resonance structures
measure intermolecular forces
determine molecular shape
Unequal sharing of electrons between two bonded atoms ALWAYS indicates __________________.
a polar ionic bond
an ionic bond
a nonpolar covalent bond
a polar covalent bond
Water is an example of a ___________ molecule
non-polar
polar
ionic
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How many pi bonds are there in a triple bond?
1
2
3
Intermolecular attractions are _________ than either ionic or covalent bonds.
weaker
both weaker and stronger
stronger
none of these
In a coordinate covalent bond, ________________________________.
electrons are shared unequally
electrons are shared equally
none of the above
one atom contributes both electrons to a coordinate covalent
________________ occur when polar molecules are attracted to one another.
Dipole interactions
none of the above
hydrogen bonds
ionic compounds
Special properties of water, such as adhesion, cohesion, and surface tension can be attributed to which intermolecular force?
Hydrogen bonds
Van de waals forces
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london dispersion forces
