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Definition
| a representation of covalent bonding in which shared electron pairs are shown either as lines or as pairs of dots between two atoms, and lone pairs are shown as pairs of dots on individual atoms. Only valence electrons are shown in a Lewis structure. |
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| An atom other than hydrogen tends to form bonds until it is surrounded by eight valence electrons. |
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| two atoms are held together by one electron pair |
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Definition
| two atoms share two or more pairs of electrons |
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Definition
| two atoms share two pairs of electrons |
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| two atoms share three pairs of electrons |
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| the distance between the nuclei of two covalently bonded atoms in a molecule |
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| Polar covalent bond/polar bond |
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Definition
| a covalent bond in which the electrons spend more time in the vicinity of one atom than the other |
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Definition
| the ability of an atom to attract toward itself the electrons in a chemical bond |
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Definition
| the electrical charge difference between the valence electrons in an isolated atom and the number of electrons assigned to that atom in a Lewis structure |
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Definition
| the use of two or more Lewis structures to represent a particular molecule |
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Term
coordinate covalent bond
(A.K.A. dative bond) |
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Definition
| a covalent bond in which one of the atoms donates both electrons |
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Definition
| the enthalpy change required to break a particular bond in 1 mole of gaseous molecules |
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Definition
| bond in which two electrons are shared by two atoms |
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Definition
| compounds that contain only covalent bonds |
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Definition
| A procedure that relates lattice energies of ionic compounds to ionization energies, electron affinities, and other atomic and molecular properties. (based on Hess's law) |
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Definition
| a quantitative measure of the stability of any ionic solid is its _______, defined as the energy required to completely separate one mole of a solid ionic compound into gaseous ions. |
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Definition
| A law that states that the potential energy (E) between two ions is directly proportional to the product of their charges and inversely proportional to the distance of separation between them. |
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| the electrostatic force that holds ions together in an ionic compound |
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Term
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Definition
| consists of the symbol of an element and one dot for each valence electron in an atom of the element |
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