The VSEPR model is mainly used to __________________________________.
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15
Which of the following elements has the greatest electronegativity?
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15
Intermolecular attractions are _________ than either ionic or covalent bonds.
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15
A triple covalent bond shares how many total electrons?
6
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15
Which of the following elements has 4 valence electrons?
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baam
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gold
Win 50 points!
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rocket
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banana
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monster
Reset all scores!
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star
Double points!
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rocket
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thief
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5
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20
25
lifesaver
Give 20 points!
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gift
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fairy
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25
thief
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15
Unequal sharing of electrons between two bonded atoms ALWAYS indicates __________________.
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15
Compare and contrast the properties of ionic and covalent compounds.
ionic - crystalline structure, metals +nonmetals, high melting point. Covalent - nonmetals, properties vary, low melting point, etc see p. 253 for better list
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15
Compare and contrast polar covalent bond and non-polar covalent bond. Be sure to include information on electronegativity, electron sharing, etc.
Polar covalent bonds have an electronegativity diff.of 0.4-1.7; electrons arenât shared equally. Non-polar electronegativity diff. of 0 shared equally
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15
________________ occur when polar molecules are attracted to one another.
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15
Which of the following atoms would most likely form a diatomic molecule?
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15
Covalent bonds form when atoms ________ electrons.
share
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15
Molecular compounds are generally composed of what kinds of atoms?
non-metals
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15
Special properties of water, such as adhesion, cohesion, and surface tension can be attributed to which intermolecular force?
