polyatomic

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pol·y·a·tom·ic

 (pŏl′ē-ə-tŏm′ĭk)
adj.
Of or relating to a molecule or ion that has two or more atoms as constituents.

polyatomic

(ˌpɒlɪəˈtɒmɪk)
adj
(Chemistry) (of a molecule) containing more than two atoms
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Adj.1.polyatomic - of or relating to a molecule made up of more than two atoms
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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.
However, a precipitation method with nitric acid at room temperature to precipitate protein is preferred in our laboratory; this is important to minimize the occurrence of permanent blockage of the nebulizer, the torch, and the sampling orifice resulting from high concentrations of proteins, as well as to reduce polyatomic ion interferences such as [sup.
Designed for use as background material by practitioners, this covers a range of topics from over 40 years of research, including current experimental methods for ion production and separation as well as those designed to reveal qualitative and quantitative aspect of gas-phased ions, theory and methods, tools for identifying the structure of gas-phase ions, what and what not to expect from gas-phase ions, ions containing C and polyatomic ions containing one to three C atoms, ion structures, ions containing only carbon atoms, and those containing one, two or three carbon atoms.