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  2. Pyramidal inversion - Wikipedia

    en.wikipedia.org/wiki/Pyramidal_inversion

    In chemistry, pyramidal inversion (also umbrella inversion) is a fluxional process in compounds with a pyramidal molecule, such as ammonia (NH 3) "turns inside out". [1] [2] It is a rapid oscillation of the atom and substituents, the molecule or ion passing through a planar transition state. [3]

  3. Water thread experiment - Wikipedia

    en.wikipedia.org/wiki/Water_thread_experiment

    The bridge continued until the electricity was interrupted in the last frame. The water thread experiment is a phenomenon that occurs when two containers of deionized water , placed on an insulator, are connected by a thread, then a high-voltage positive electric charge is applied to one container, and a negative charge to the other.

  4. Bridge circuit - Wikipedia

    en.wikipedia.org/wiki/Bridge_circuit

    A bridge circuit is a topology of electrical circuitry in which two circuit branches (usually in parallel with each other) are "bridged" by a third branch connected between the first two branches at some intermediate point along them. The bridge was originally developed for laboratory measurement purposes and one of the intermediate bridging ...

  5. Spiro compound - Wikipedia

    en.wikipedia.org/wiki/Spiro_compound

    The main method of systematic nomenclature is to follow with square brackets containing the number of atoms in the smaller ring then the number of atoms in the larger ring, separated by a period, in each case excluding the spiroatom (the atom by which the two rings are bonded) itself.

  6. Diode bridge - Wikipedia

    en.wikipedia.org/wiki/Diode_bridge

    A hand-made diode bridge. The silver band on the diodes indicates the cathode side of the diode.. A diode bridge is a bridge rectifier circuit of four diodes that is used in the process of converting alternating current (AC) from the input terminals to direct current (DC, i.e. fixed polarity) on the output terminals.

  7. Disulfide - Wikipedia

    en.wikipedia.org/wiki/Disulfide

    In chemistry, a disulfide (or disulphide in British English) is a compound containing a R−S−S−R′ functional group or the S 2− 2 anion.The linkage is also called an SS-bond or sometimes a disulfide bridge and usually derived from two thiol groups.

  8. Capillary bridges - Wikipedia

    en.wikipedia.org/wiki/Capillary_bridges

    A capillary bridge is a minimized surface of liquid or membrane created between two rigid bodies of arbitrary shape. Capillary bridges also may form between two liquids. [ 1 ] Plateau defined a sequence of capillary shapes [ 2 ] known as (1) nodoid with 'neck', (2) catenoid , (3) unduloid with 'neck', (4) cylinder , (5) unduloid with 'haunch ...

  9. Salt bridge - Wikipedia

    en.wikipedia.org/wiki/Salt_bridge

    In electrochemistry, a salt bridge or ion bridge is an essential laboratory device discovered over 100 years ago. [ 1 ] It contains an electrolyte solution, typically an inert solution, used to connect the oxidation and reduction half-cells of a galvanic cell (voltaic cell), a type of electrochemical cell .

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