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12 Cards in this Set
- Front
- Back
the notation for sodium chloride, NaCl, stands for one _____
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formula unit
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in a crystalline of an ionic compound, each cation is surrounded by a number of _____
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negative ions
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compared with the neutral atoms involved in the formation of an ionic compound, the crystal lattice that results is __________________
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higher in potential energy
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mobile electrons in the metallic bond are responsible for ________
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luster,thermal conductivity, and electrical conductivity
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Arrange the following types of attractions in order of increasing strength for weakest to strongest.
*covalent *ionic *dipole-dipole *London dispersion |
1. London dispersion
2.dipole-dipole 3.covalent 4. ionic |
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a covalent bond consists of
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a shared electron pair
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if tow covalently bonded atoms are identical the bond is identified as
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nonpolar covalent
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a covalent bond in which there is an unequal attraction for the shared electrons is ___
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polar
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atoms with a strong attraction for electrons they share with another atom exhibit ____
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high electronegativity
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bonds that possess btwn 5% and 50% ionic character are considered_________
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polar covalent
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in metals, the valence electrons are considered to be
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shared by all surrounding atoms
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the fact that metals are malleable and ionic crystals are brittle is best explained in terms of their
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chemical bonds
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