O. Chem COM Exam 1

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17 Terms

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Ionic bonding

Occur between metals, losing electrons, and nonmetals, gaining electrons

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Covalent bonding

The interatomic linkage that results from the sharing of an electron pair between two atoms

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Valence Shell Electron Pair Repulsion Theory (VSEPR)

Electron pairs (both shared and unshared) in the outermost energy level try to get as far apart as possible; determines shape of molecule

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Linear

Central no unshared pairs; 2 or 3 atoms

<p>Central no unshared pairs; 2 or 3 atoms</p>
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Linear Angle

180

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Bent

Central 1 or 2 unshared pairs; 3 atoms

<p>Central 1 or 2 unshared pairs; 3 atoms</p>
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Bent angle

104.5

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Trigonal planar

Central no unshared pairs; 4 atoms

<p>Central no unshared pairs; 4 atoms</p>
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Trigonal planar Angle

120

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Trigonal Pyamid

Central 1 unshared pair; 4 atoms

<p>Central 1 unshared pair; 4 atoms</p>
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Trigonal pyramid angle

107.5

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Tetrahedral

No unshared; 5 atoms

<p>No unshared; 5 atoms</p>
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Tetrahedral angle

109.5

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Polar

A covalent bond between two atoms where the electrons forming the bond are unequally distributed

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Non-polar

A covalent bond between two atoms where the electrons forming the bond are equally distributed

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Period

Horizontal rows periodic table

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Group

Vertical columns periodic table