Special properties of water, such as adhesion, cohesion, and surface tension can be attributed to which intermolecular force?
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15
__________ bonds form between single bonds.
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15
What is the shape of H2O?
bent
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15
________________ occur when polar molecules are attracted to one another.
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15
Which of the following elements has 4 valence electrons?
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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
The VSEPR model is mainly used to __________________________________.
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15
____________________ is the energy required to break the bond between two covalently bonded atoms.
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15
How does electronegativity influence the character of a bond between atoms?
The difference in electronegativity determines the character of a bond between atoms (determines if it will be polar or non-polar
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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 aren’t shared equally. Non-polar electronegativity diff. of 0 shared equally
