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23 Cards in this Set
- Front
- Back
Bond
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Force that holds groups of 2+ atoms together and makes them function as a unit
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Bond Energy
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Energy required to break the bond
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Ionic Bonding
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Closely packed opposite charged ions
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Ionic Compound
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Metal reacts with nonmetal
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Covalent Bonding
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Electrons shared by nuclei
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Polar Covalent Bond
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Unequal sharing of electrons
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Electronegativity
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Relative ability of an atom in a molecule to attract shared electrons
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Dipole moment
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Center of positive charge and center of negative charge
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Lewis Structure
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Representation of a molecule that shows how the valence electrons are arranged among the atoms in the molecule
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Duet rule
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Hydrogen shares two electrons
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Octet Rule
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Each atom surrounded by eight electrons
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Bonding Pair
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Two valence electrons shared with the other atom
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Lone Pair
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Pairs of electrons not involved in bonding
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Single Bond
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Two atoms sharing one electron pair
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Double Bond
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Two atoms sharing two pairs of electrons
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Triple Bond
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Three electron pairs are shared
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Resonance
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More than one Lewis structure can be drawn for the molecule
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Molecular/Geometric Structure
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3D arrangement of the atoms in the molecule
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Linear Structure
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In a line
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Trigonal Planar
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All on the same plane
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Tetrahydral
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Four
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VSEPR
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The structure around a given atom is determined by minimizing repulsions between electron pairs
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Trigonal Pyramid
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Lone pair
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