polyatomic ion

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Related to polyatomic: Polyatomic molecules

polyatomic ion

[‚päl·ē·ə¦täm·ik ′ī·ən]
(chemistry)
An electrically charged species formed by covalent bonding of atoms of two or more different elements, usually nonmetals, for example, the ammonium ion (NH4+).
References in periodicals archive ?
The contract is for the supply and installation of a plasma mass spectrometer inductively coupled (ICP-MS) with removal system polyatomic interference, including argon dimers, and introduction system solid samples at the University of Pau and the Adour countries.
Big gradient in case of application of propane-butane as a plasma gas in comparison with argon can be explained, as well as in regard to VAC, by more significant consumption of power for dissociation and ionization of the polyatomic gases.
Obviously, the idea is applicable to polyatomic molecules at real density.
It helps if you know the formula for a polyatomic ion, the common name for the antineuritic vitamin (thiamine), what an exothermic reaction is, and if you can work out complicated chemistry formulas and mathematical equations in your head in seconds.
Schrobilgen has made important contributions in two major areas of synthetic and structural inorganic chemistry; fluorine chemistry and the polyatomic anions of the main-group elements.
Note, too, how the lowercase words demonstrate that different sequences of transadditions can arrive at the same word: COMPILATORY can be reached by the route OLYMPIC, MYOPICAL, PILCOMAYO, POLYATOMIC and OLYMPIC, MYOPICAL, PYROMALIC, MICROTYPAL.
Secondary ion mass spectrometry (SIMS) experiments have well established that polyatomic projectiles have the potential to greatly increase the sensitivity of static SIMS.
Using IT-SIMS, researchers bombard the surface of a sample with a polyatomic projectile to lift, or "sputter" off, molecules adhering to the sample surface.
MODELING SOLVENT INDUCED FREQUENCY SHIFTS OF POLYATOMIC SOLUTES WITH A BREATHING SPHERE MODEL.
Shaffer's doctoral dissertation, "The Rotation-Vibration Energy States of Certain Polyatomic Molecules," was completed under the guidance of Professor Harald H.
Quantum Dynamical Resonances in Chemical Reactions: From A BC to Polyatomic Systems (Kopin Liu)
The fourth goal is to achieve an accurate quantum dynamical description of the reaction of hydrogen containing polyatomic molecules at surfaces at incidence energies of catalytic interest (in the quantum regime).