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29 Cards in this Set
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- Back
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The attraction between positive and negative ions, or two nonmetal atoms |
Chemical bond |
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The electrons in the outermost s and p sublevels of an atom that undergo reaction and form chemical bonds |
Valence electrons |
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The statement that an atom tends to bond in such a way so as to acquire eight valence electrons |
Octet rule |
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A bond resulting from the attraction between a positively charged cation and a negatively charged anion |
Ionic bond |
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A bond resulting from the sharing of one or more pairs of valence electrons between two nonmetal atoms |
Covalent bond |
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The simplest representative particle in a substance held together by ionic bonds |
Formula Unit |
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The simplest representative particle in a substance held together by covalent bonds |
Molecule |
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The distance between the nuclei of two atoms joined by a covalent |
Bond Length |
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The amount of energy required to break a covalent bond between two atoms |
Bond Energy |
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The valence electrons in a molecule that are shared |
Bonding electrons |
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The valence electrons in a molecule that are not shared |
Nonbonding Electrons |
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A diagram of a molecule that shows the chemical symbol of each atom and a dot representing each bonding and nonbonding electron |
Electron Dot Formula |
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A diagram of a molecule that shows the chemical symbol of each atom and a dash representing each pair of bonding electrons |
Structural Formula |
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A bond composed of one electron pair shared by two atoms |
Single bond |
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A bond composed of two electron pairs shared by two atoms |
Double Bond |
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A bond composed of three electron pairs shared by two atoms |
Triple Bond |
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A single atom that bears a negative or positive charge as the result of gaining or losing valence electrons |
Monoatomic Ion |
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A group of atoms held together by covalent bonds and having an overall positive or negative charge |
Polyatomic Ion |
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The ability of an atom to attract a shared pair of electrons |
Electronegativity |
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A method of indicating a partial positive and a partial negative charge in a chemical bond |
Delta Notation |
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A bond in which a pair of electrons is shared unequally |
Polar bond |
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A bond in which a pair of electrons is shared equally |
Nonpolar Bond |
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A molecule composed of two nonmetal atoms held together by a covalent bond |
Diatomic Molecule |
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A bond in which an electron pair is shared but both electrons have been donated by a single atom |
Coordinate covalent Bond |
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The attraction between a H atom bonded to O or N, and a nonbonding electron pair on an electronegative atom in another molecule |
Hydrogen Bond |
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A model that explains the shapes of molecules as a result of electron pairs about the central atom repelling each other |
VSEPR Theory |
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The geometric shape formed by atoms bonded to the central atom in a molecule |
Electron Pair Geometry |
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The geometric shape formed by atoms bonded to the central atom in a molecule |
Molecular Shape |
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The angle formed by two atoms attached to the central atom in a molecule |
Bond Angle |
