noun
definition
A positively charged ion, i.e. one that would be attracted to the cathode in electrolysis.
Examples of cation in a Sentence
On the theory that the phenomena are wholly due to unequal ionic velocities this result would mean that the cation like the anion moved against the conventional direction of the current.
This surrender put the crown to his cation of career of folly.
The electrical gradient drives cation uptake, while the pH gradient powers cation export.
Within the cell the major cation is potassium; in contrast, in plasma and extra cellular fluids the major cation is predominantly sodium.
Animations are used to illustrate the procedures in measuring cation exchange properties of soil colloids, in the Nutrient Cycling chapter of Oz Soils.
The most ready means of noting the progress of zoology during the 16th, 17th and 18th centuries is to compare the Aristotle's classificatory conceptions of successive naturalists classifi- with those which are to be found in the works of cation.
P. de Lamarck (1744-1829) represents most completely, both by his development theory (to be further mentioned below) and by his scheme of classifica- tion, the high-water mark of the popular but cation.
Cuvier's His classification as finally elaborated in Le Regne classifi- cation.
Thermal instability of the compounds with large anions is a function of the polarizing power of the cation.
Potential students to the Cricket Academy need to apply for a full-time academic qualifi cation in addition to membership of the Cricket Academy.
The specifi- cation of a date must follow the specification of the time of day.
A sodium cation will therefore be able to attract chlorine anions in all directions, and vice-versa.
Interestingly it is more common to find F [...] M alkali metal cation interactions.
If we assume that no other cause is at work, it is easy to prove that, with non-dissolvable electrodes, the ratio of salt lost at the anode to the salt lost at the cathode must be equal to the ratio of the velocity of the cation to the velocity of the anion.
As to the source of the nitrogen of the root-crops-the so-called " restorative crops "-these are as dependent as any crop that is grown on available nitrogen within the soil, which is generally supplied by the direct appli cation of nitrogenous manures, natural or artificial.
As we have seen above, when a solution is placed in contact with water the water will take a positive or negative potential with regard to the solution, according as the cation or anion has the greater specific velocity, and therefore the greater initial rate of diffusion.
These illustrations of the enormous variability of discharge serve to explain what is popularly so little understood, namely, the advantage which riparian owners, or other persons Comperei nterested in a given stream, may derive from works cation water.
This "passivity" may be brought about by immersion in other solutions, especially by those containing such oxidizing anions as NO' 3, C10' 3, less strongly by the anions SO" 4, CN', CNS', C2H30'2, OH', while Cl', Br' practically inhibit passivity; H' is the only cation which has any effect, and this tends to exclude passivity.
Naked- cation is seen when the eyed Medusae.