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Organic Chemistry
Exam 1 Terms
| Term | Definition |
|---|---|
| constitutional isomers | share the same molecular formula but have different connectivity of atoms and different physical properties. |
| covalent bond | results when two atoms share a pair of electrons |
| octet rule | bonding to achieve noble gas electron configuration |
| lone pair | a pair of unshared electrons |
| formal charge | occurs when atoms do not exhibit the appropriate number of valence electrons |
| induction | what polar covalent bonds exhibit that cause the formation of partial positive charges and negative charges |
| electrostatic potential maps | present a visual illustration of partial charges |
| quantum mechanics | describes electrons in terms of their wavelike properties |
| wave equation | describes total energy of an electron when in the vicinity of proton |
| wave functions | solutions of a wave equation that represents the probability of finding an electron in a particular location. |
| atomic orbitals | represented visually by generating three-dimensional plots; nodes indicate that the value is zero |
| valence bond theory | treats every bond as the sharing of electron density between two atoms as a result of the constructive interference of their atomic orbitals |
| sigma bonds | formed when the electron density is located primarily on the bond axis |
| molecular orbital theory | uses a mathematical method called the linear combination of atomic orbitals to form molecular orbitals |
| atomic orbital | a region of space associated with an individual atom |