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Definition
| The shape of a molecule with two bonded atoms and two lone pairs |
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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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Definition
| Attractive forces between oppositely charged ends of polar molecules |
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Definition
| 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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| 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 charge) and the number of electrons (negative charge) written in the upper right hand corner of the symbol for the element or polyatomic ion |
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Definition
| The smallest unit of two or more atoms held together by covalent bonds |
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Definition
| A covalent bond in which the electrons are shared equally between atoms |
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Definition
| A molecule that has only nonpolar bonds or in which the bond dipoles cancel |
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| Elements in Groups 1A-7A 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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Definition
| A covalent bond in which the electrons are shared unequally between atoms |
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Definition
| A molecule containing bond dipoles that do not cancel |
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Definition
| A group of covalently bonded nonmetal atoms that has an overall electrical charge |
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Definition
| The shape of a molecule that has three bonded atoms and one lone pair around a central atom |
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Definition
| The shape of a molecule with four bonded atoms |
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Definition
| A sharing of three pairs of electrons by two atoms |
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Term
| Valence-shell electron-pair repulsion theory |
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Definition
| A theory that predicts the shape of a molecule by placing the electron pairs on a central atom as far apart as possible to minimize the mutual repulsion of the electrons |
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