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| location in a trigonal bipyramidal geometry in which there is another atom at a 180 degree angle and the equatorial positions are at a 90 degree angle |
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| compound that contains hydrogen and one other element, bonded in a way that imparts acidic properties to the compound (ability to release H+ |
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| compound containing two different elements. |
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| angle between any two covalent bonds that share a common atom |
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| separation of charge in a bond that depends on the difference in electronegativity and the bond distance represented by partial charges or a vector |
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| (also, bond length) distance between the nuclei of two bonded atoms |
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| distance between the nuclei of two bonded atoms at which the lowest potential energy is achieved |
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| bond formed when electrons are shared between atoms |
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| property of a molecule that describes the separation of charge determined by the sum of the individual bond moments based on the molecular structure |
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| covalent bond in which two pairs of electrons are shared between two atoms |
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| arrangement around a central atom of all regions of electron density (bonds, lone pairs, or unpaired electrons) |
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| tendency of an atom to attract electrons in a bond to itself |
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| one of the three positions in a trigonal bipyramidal geometry with 120 degree angles between them; the axial positions are located at a 90 degree angle |
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| charge that would result on an atom by taking the number of valence electrons on the neutral atom and subtracting the nonbonding electrons and the number of bonds (one-half of the bonding electrons) |
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| molecule that contains an odd number of electrons |
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| molecule containing at least one main group element that has more than eight electrons in its valence shell |
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| strong electrostatic force of attraction between cations and anions in an ionic compound |
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| diagram showing lone pairs and bonding pairs of electrons in a molecule or an ion |
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| symbol for an element or monatomic ion that uses a dot to represent each valence electron in the element or ion |
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| shape in which two outside groups are placed on opposite sides of a central atom |
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| two (a pair of) valence electrons that are not used to form a covalent bond |
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| arrangement of atoms in a molecule or ion |
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| structure that includes only the placement of the atoms in the molecule |
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| system of rules for naming objects of interest |
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| shape in which six outside groups are placed around a central atom such that a three-dimensional shape is generated with four groups forming a square and the other two forming the apex of two pyramids, one above and one below the square plane |
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| guideline that states main group atoms will form structures in which eight valence electrons interact with each nucleus, counting bonding electrons as interacting with both atoms connected by the bond |
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| compound that contains hydrogen, oxygen, and one other element, bonded in a way that imparts acidic properties to the compound (ability to release H+ |
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| covalent bond between atoms of different electronegativities; a covalent bond with a positive end and a negative end |
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| (also, dipole) molecule with an overall dipole moment |
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| (also, nonpolar covalent bond) covalent bond between atoms of identical electronegativities |
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| situation in which one Lewis structure is insufficient to describe the bonding in a molecule and the average of multiple structures is observed |
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| two or more Lewis structures that have the same arrangement of atoms but different arrangements of electrons |
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| average of the resonance forms shown by the individual Lewis structures |
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| bond in which a single pair of electrons is shared between two atoms |
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| shape in which four outside groups are placed around a central atom such that a three-dimensional shape is generated with four corners and 109.5 degree angles between each pair and the central atom |
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| shape in which five outside groups are placed around a central atom such that three form a flat triangle with 120 degree angles between each pair and the central atom, and the other two form the apex of two pyramids, one above and one below the triangular plane |
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Definition
| shape in which three outside groups are placed in a flat triangle around a central atom with 120 degree angles between each pair and the central atom |
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| bond in which three pairs of electrons are shared between two atoms |
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| valence shell electron-pair repulsion theory (VSEPR) |
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| theory used to predict the bond angles in a molecule based on positioning regions of high electron density as far apart as possible to minimize electrostatic repulsion |
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| quantity having magnitude and direction |
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