Private: Chapter Five (24/78) -- Chemistry 110

Private: Chapter Five Key Terms, Key Equations, Summaries, and Exercises (Chapter 5) Key Terms antibonding orbital molecular orbital located outside of the region between two nuclei; electrons in an antibonding orbital destabilize the molecule bond order number of pairs of electrons between two atoms; it can be found by the number of bonds in a Lewis structure or by the difference between the number of bonding and antibonding electrons divided by two bonding orbital molecular orbital located between two nuclei; electrons in a bonding orbital stabilize a molecule degenerate orbitals orbitals that have the same energy diamagnetism phenomenon in which a material is not magnetic itself but is repelled by a magnetic field; it occurs when there are only paired electrons present homonuclear diatomic molecule molecule consisting of two identical atoms hybrid orbital orbital created by combining atomic orbitals on a central atom hybridization model that describes the changes in the atomic orbitals of an atom when it forms a covalent compound linear combination of atomic orbitals technique for combining atomic orbitals to create molecular orbitals molecular orbital region of space in which an electron has a high probability of being found in a molecule molecular orbital diagram visual representation of the relative energy levels of molecular orbitals molecular orbital theory model that describes the behavior of electrons delocalized throughout a molecule in terms of the combination of atomic wave functions node plane separating different lobes of orbitals, where the probability of finding an electron is zero overlap coexistence of orbitals from two different atoms sharing the same region of space, leading to the formation of a covalent bond paramagnetism phenomenon in which a material is not magnetic itself but is attracted to a magnetic field; it occurs when there are unpaired electrons present pi bond (π bond) covalent bond formed by side-by-side overlap of atomic orbitals; the electron density is found on opposite sides of the internuclear axis s-p mixing change that causes σp orbitals to be less stable than πp orbitals due to the mixing of s and p-based molecular orbitals of similar energies. sigma bond (σ bond) covalent bond formed by overlap of atomic orbitals along the internuclear axis sp hybrid orbital one of a set of two orbitals with a linear arrangement that results from combining one s and one p orbital sp2 hybrid orbital one of a set of three orbitals with a trigonal planar arrangement that results from combining one s and two p orbitals sp3 hybrid orbital one of a set of four orbitals with a tetrahedral arrangement that results from combining one s and three p orbitals sp3d hybrid orbital one of a set of five orbitals with a trigonal bipyramidal arrangement that results from combining one s, three p, and one d orbital sp3d2 hybrid orbital one of a set of six orbitals with an octahedral arrangement that results from combining one s, three p,