oxidation state


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oxidation state

n.
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Noun1.oxidation state - the degree of oxidation of an atom or ion or molecule; for simple atoms or ions the oxidation number is equal to the ionic charge; "the oxidation number of hydrogen is +1 and of oxygen is -2"
number - a concept of quantity involving zero and units; "every number has a unique position in the sequence"
References in periodicals archive ?
Our idea was to study the history of the oxidation state of iron in these basalts and see if we could pinpoint when the iron began to show signs of oxidation and thus when the deep ocean first started to contain appreciable amounts of dissolved O2," Stolper said in (http://news.
The electrons ejected by the sample surface in X-ray Photoelectron Spectroscopy contain information about the chemical oxidation state, atomic composition, morphology and electronic structure of the chemicals present on the sample surface.
2]O, in which the iron has a formal oxidation state of five.
Previous lab research shows that, when exposed to iron, the element can switch between Tc(VII), a very water-soluble oxidation state that spreads easily through the subsurface, to Tc(IV), a more water-insoluble and immobile oxidation state.
4] cubane and peripherical Mn(III) ions; the oxidation state of the latter is associated with a high-spin ([d.
Scientists had speculated that such a situation, called an oxidation state of plus nine, was possible.
U(0), U(III), U(IV), and U(VI)][1], but under aerobic conditions, the predominant oxidation state for uranium is U(VI).
Yeast metabolic activity leads to a more reduced juice environment and can alter the oxidation state of molecules in the juice.
And in actual fact, the difference between Northparkes and Mount Adrah is the oxidation state of the magma responsible for the generation of the hydrothermal system.
Silicon monoxide is the chemical compound with the formula SiO where Silicon is present in the oxidation state +II.
In previous research, the scientists found that this alteration is at least partially due to a change in the oxidation state of the chromium in this type of pigment over time.
EMR is a highly selective technique making it the first choice for free radical and transition metal oxidation state investigations.

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