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A negatively charged ion such as Cl-, O2-, or SO42- |
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The shape of a molecule with two bonded atoms and two lone pairs |
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A positively charged ion such as Na+, Mg2+, Al3+, and NH4+ |
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The separation of positive and negative charges in a polar bond indicated by an arrow that is drawn from the more positive atom to the more negative atom |
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DIPOLE-DIPOLE ATTRACTIONS |
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Attractive forces between oppositely charged ends of polar molecules |
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Weak dipole bonding that results from a momentary polarization of nonpolar molecules in a substance |
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A sharing of two pairs of electrons by two atoms |
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The relative ability of an element to attract electrons in a bond |
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The group of symbols and subscripts that represents the atoms or ions in a compound |
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The attraction between a partially positive H atom and a strongly electronegative atom of F, O, or N |
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An atom or group of atoms having an electrical charge because of a loss or gain of electrons |
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The difference between the number of protons (positive) and the number or electrons (negative) written in the upper right corner of the symbol for the element or polyatomic ion |
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The smallest unit of two or more atoms held together by covalent bonds |
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A covalent bond in which the electrons are shared equally between atoms |
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A molecule that has only nonpolar bonds or in which he bond dipoles cancel |
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Elements in Groups 1A-7A (1,2,13-17) react with other elements by forming ionic or covalent bonds to produce a noble gas arrangement usually 8 electrons in the outer shell |
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A covalent bond in which the electrons are shared unequally between atoms |
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A molecule containing bond dipoles that do not cancel |
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A group of covalently bonded nonmetal atoms that has an overall electrical charge |
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The shape of a molecule that has three bonded atoms and one lone pair around a central atom |
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The shape of a molecule with four bonded atoms |
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A sharing of three pairs of electrons by two atoms |
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VALENCE-SHELL ELECTRON-PAIR REPULSION (VSEPR) THEORY |
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A theory that predicts the shape of a molecule by placing th electron pairs on a ventral atom as far apart as possible to minimize the mutual repulsion of the electrons |
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