Bent bond — Bent bond, also known as banana bond, is a term in organic chemistry that refers to a type of covalent chemical bond with a geometry somewhat reminiscent of a banana. The term itself is a general representation of electron density or… … Wikipedia
rule — rule1 [ rul ] noun *** 1. ) count a statement explaining what someone can or cannot do in a particular system, game, or situation: We need to change the club rules before we start looking for new members. rule of: the basic rules of the game… … Usage of the words and phrases in modern English
thumb-and-finger rule — | ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ noun : either of two statements in electromagnetism: when the fingers of the right hand are bent so that the thumb points in the direction of the decrease in flux in a magnetic circuit, the fingers will point in the direction… … Useful english dictionary
right-hand rule — noun : a rule in electricity: if the thumb, the forefinger, and the middle finger of the right hand are bent at right angles to one another with the thumb pointed in the direction of motion of a conductor relative to a magnetic field and the… … Useful english dictionary
Side-bar rule — Side Side, a. 1. Of or pertaining to a side, or the sides; being on the side, or toward the side; lateral. [1913 Webster] One mighty squadron with a side wind sped. Dryden. [1913 Webster] 2. Hence, indirect; oblique; collateral; incidental; as, a … The Collaborative International Dictionary of English
VSEPR theory — Valence shell electron pair repulsion (VSEPR) theory is a model in chemistry used to predict the shape of individual molecules based upon the extent of electron pair electrostatic repulsion.[1] It is also named Gillespie–Nyholm theory after its… … Wikipedia
VALBOND — In molecular mechanics, VALBOND is a method for computing the angle bending energy that is based on valence bond theory. [Root, D. M.; Landis, C. R.; Cleveland, T. Valence Bond Concepts Applied to the Molecular Mechanics Description of Molecular… … Wikipedia
Orbital hybridisation — Four sp3 orbitals. Three sp2 orbitals. In … Wikipedia
History of the Houston Astros — The following is a history of the Houston Astros of Major League Baseball.Franchise historyBeginnings: The 1960sSubsequent to the Giants and Dodgers leaving for California, an abortive attempt was made to start a third major league. It was to be… … Wikipedia
List of cities and towns in Colorado — Adams Alam Arapahoe … Wikipedia
