chapter 23
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Created by:
heathafeatha9143 on March 15, 2011
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13 terms
Terms | Definitions |
|---|---|
 covalent bond | a chemical bond in which atoms are held together by their mutual attraction for two or more electrons they share |
| covalent compound | an element or chemical compound in which atoms are held together by covalent bonds |
| dipole | A separation of electric charge that occurs in a chemical bond b/c of differences in the electronegativities of the bonded atoms |
| electron-dot structure | a shorthand notion of the shell model of the atom in which valence electrons are shown around an atomic symbol |
| electronegativity | the ability of an atom to attract a bonding pair of electrons to itself when bonded to another atom |
| ion | an electrically charged particle created when an atom either loses or gains one or more electrons |
| ionic bond | a chemical bond in which an attractive electric force holds ions of opposite charge together |
| ionic compound | any chemical compound containing ions |
| molecule | a group of atoms held tightly together by covalent bonds |
| nonbonding pairs | two paired valence electrons that don't participate in a chemical bond |
| nonpolar bond | a chemical bond in which bonding electrons are distributed evenly between bonding atoms. such a bond has no dipole |
| polar bond | a chemical bond in which bonding electrons are distributed unevenly between bonding atoms. such a bond has a dipole. the more uneven the sharing, the greater the dipole |
| valence shell | the outermost occupied shell of an atom that contains electrons that can participate in chemical bonding by either being lost gained or shared |
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