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13 Cards in this Set
- Front
- Back
bond dissociation energy
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The energy required to break the bond between two covalently bonded atoms; this value is usually expressed in kJ per mol of substance.
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covalent bond
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a bond formed by the sharing of electrons between atoms.
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coordinate covalent bond
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a covalent bond in which one atom contributes both bonding electrons.
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double covalent bond
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a bond in which two atoms share two pairs of electrons
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molecular compound
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a compound that is composed of molecules
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molecular formula
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a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of a compound.
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molecule
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a neutral group of atoms joined together by covalent bonds.
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polyatomic ion
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a tightly bound group of atoms that behaves as a unit and has a positive or negative charge.
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resonance structure
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one of the two or more equally valid electron dot structures of a molecule or polyatomic ion.
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single covalent bond
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a bond formed when two atoms share a pair of electrons.
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structural formula
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a chemical formula that shows the arrangement of atoms in a molecule or a polyatomic ion; each dash between a pair of atoms indicates a pair of shared electrons.
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triple covalent bond
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a covalent bond in which three pairs or electrons are shared by two atoms.
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unshared pair
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a pair of valence electrons that is not shared between atoms.
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