Century Dictionary and Cyclopedia
- Repelled by bodies negatively electrified, and attracted by those positively electrified; having a tendency to pass to the positive pole in electrolysis.
- Assuming negative potential when in contact with a dissimilar substance, as copper when joined to zinc in a voltaic cell. See electromotive series, under electromotive.
- n. A body which, in the process of electrolysis, appears at the positive pole of the voltaic battery. Oxygen is the most electro negative of the elements. See electrolysis.
GNU Webster's 1913
- adj. (Chem. & Physics) Having the property of being attracted by an electro-positive body, or a tendency to pass to the positive pole in electrolysis, by the law that opposite electricities attract each other. Contrasted with
- adj. Negative; nonmetallic; acidic; -- opposed to
positive, metallic, or basic.
- adj. (Physics) carrying a negative electrical charge.
- adj. (Chem. and Physics) having a tendency to take up electrons and form negative ions; having a relatively positive electrode potential.
- n. (Chem. & Physics) A body which passes to the positive pole in electrolysis; an anion.
- adj. having a negative charge
“When in action, that effect is neutralized from the fact that carbon in chromic acid is more highly electro-negative than the chromate of mercury formed upon the zinc amalgam, and which appears to be the cause of the dissolution of the zinc even when amalgamated in the presence of chromic acid.”
“Ores must be distinguished as good and bad conductors; the former may serve directly as anodes, and are easily oxidized by the electro-negative radicals formed at their contact, and dissolve readily in the electrolyte.”
“It was thus that man in this state of consciousness was compelled to picture the foundation of the physical universe as being made up of gravity and electricity, as we meet them in the modern picture of the atom, with its heavy electro-positive nucleus and the virtually weightless electro-negative electrons moving round it.”
“The reason for this difference is self-evident; here a foreign metal is brought into electrical contact with the apparatus in order that the latter may be made electro-negative; but when a joint is soldered with lead, the metal of the generator is unintentionally made electro-positive.”
“As all soft solders consist largely of lead, if a joint is soldered, a "galvanic couple" of lead and iron, or of lead and zinc (when the apparatus is built of galvanised steel), is exposed to the liquid bathing it; and since in both cases the lead is highly electro-negative to the iron or zinc, it is the iron or zinc which suffers attack, assuming the liquid to possess any corrosive properties whatever.”
“Therefore, the nervous and arterial systems, together with the heart, are supplied, through the medium of their basis of connective tissues, with electrical energy, by the contact of the electro-negative oxygen which the blood furnishes and the positive sulphate of lime-ammonia in the walls of these organs.”
“The most electro-positive elements are at the top and the most electro-negative at the bottom.”
“The current within the cell will always flow from the one nearest the top of the list to the one nearest the bottom, _i. e._, from the most electro-positive to the most electro-negative; and, therefore, the current in the wire joining the two plates will flow from the one lowest down in the list to the one highest up.”
“On the passage of a current in this way, the decomposition of the electrolyte is effected and the composition of the plates is so changed that one of them becomes electro-positive and the other electro-negative.”
“For a given electrolyte each element bears a certain relation to another; _i. e._, they are either electro-positive or electro-negative relative to each other.”
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