Edward Frankland (1825–99) announced his theory of valency, that is, each atom has a certain “valency, ” or capacity for combining with a definite number of other atoms.    From Wordnik.com.  [b. Chemistry, Biology, and Geology] Reference

So not only did the meaning change, but also the "valency" in the sense of which verbal arguments go where.    From Wordnik.com.  [languagehat.com: MORE BOREDOM.] Reference

The meaning attached to the word "valency," is simply one of interchangeability, just as we say a penny is worth two halfpennies or four farthings.    From Wordnik.com.  [Scientific American Supplement, No. 324, March 18, 1882] Reference

The kind of valency that exists in CaH2 and C2H2 is?.    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

The term "valency" is not altogether an easy one to define; we will, however, here do our best to make plain its significance.    From Wordnik.com.  [Alchemy: Ancient and Modern] Reference

It is this number which is called the "valency" of the element; but it is now known that the "valency" in most cases can vary between certain limits.    From Wordnik.com.  [Alchemy: Ancient and Modern] Reference

The question next arises, is the valency of an element fixed or variable?.    From Wordnik.com.  [Scientific American Supplement, No. 324, March 18, 1882] Reference

(We have seen how chemists came to ascribe the property of valency to them.).    From Wordnik.com.  [Atomism from the 17th to the 20th Century] Reference

The absorption causes electron transfer and the metal ion changes its valency.    From Wordnik.com.  [The Nobel Prize in Chemistry 1992] Reference

If the word be defined as above, it is absolutely certain that the valency varies.    From Wordnik.com.  [Scientific American Supplement, No. 324, March 18, 1882] Reference

Papers on the subject of ring tension and double bonds as well as valency tautomerism.    From Wordnik.com.  [Georg Wittig - Curriculum Vitae] Reference

The plane of anionic valency sites created by this double ribbon arrangement is neutralized by the metal cations.    From Wordnik.com.  [Geology of asbestos] Reference

For example, they needed properties that would explain chemical combination, and, specifically, the notion of valency.    From Wordnik.com.  [Atomism from the 17th to the 20th Century] Reference

And that tolerance, as even premiers ought to know, can only claim any virtue or valency when it resists heavy pressure.    From Wordnik.com.  [Every Letter a Bullet, Every Word a Bomb] Reference

Stark's scientific works cover three large fields: the electric currents in gases, spectroscopic analysis, and chemical valency.    From Wordnik.com.  [Johannes Stark - Biography] Reference

The same laws hold good for all electrolytic processes, different atoms carrying as many units as are indicated by their valency.    From Wordnik.com.  [Nobel Prize in Physics 1923 - Presentation Speech] Reference

In connection with his work on chemical valency he wrote a book Die Elektrizität im chemischen Atom (Electricity in the chemical atom).    From Wordnik.com.  [Johannes Stark - Biography] Reference

Here was Melodie, for instance, wanting some excuse to justify our evident valency, and finding approval for her desires in this mystic claptrap.    From Wordnik.com.  [The Great California Game]

H-I, H-F, show that the atoms of Chlorine, Iodine, Fluorine have the same number of links as the atom of Hydrogen, so that the valency of each of these elements is unity.    From Wordnik.com.  [Aether and Gravitation] Reference

The saturating power is called atomicity or valency.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 2: Assizes-Browne] Reference

Some elements have a valency of one, and are termed monads.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 2: Assizes-Browne] Reference

Immune complexes vary depending on the valency of bound ligands.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Frankland was an English chemist who pioneered the idea of valency.    From Wordnik.com.  [About.com Chemistry] Reference

It had a song for each valency in the second shell of an atom -- groups 1, 2, and 13-18 -- and O.    From Wordnik.com.  [SF0] Reference

Hydrogen, however, appears to be invariably univalent, and is therefore taken as the unit of valency.    From Wordnik.com.  [Alchemy: Ancient and Modern] Reference

The number above each column indicates the valency which the elements of each group exhibit towards oxygen.    From Wordnik.com.  [Alchemy: Ancient and Modern] Reference

H20 is formed because the valency of "H" is +1 & "O" has -2 valency Why cant H4O2 can be formed? en Español.    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

The phenomena of valency find their explanation in modern views concerning the constitution of atoms (see § 81).    From Wordnik.com.  [Alchemy: Ancient and Modern] Reference

Just why different elements should differ thus in valency no one as yet knows; it is an empirical fact that they do.    From Wordnik.com.  [A History of Science: in Five Volumes. Volume IV: Modern Development of the Chemical and Biological Sciences] Reference

But no inkling of an explanation of these strange variations of molecular structure came until the discovery of the law of valency.    From Wordnik.com.  [A History of Science: in Five Volumes. Volume IV: Modern Development of the Chemical and Biological Sciences] Reference

Others are termed dyads, have a valency of two, two monads being required to saturate one dyad, while one dyad can saturate another dyad.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 2: Assizes-Browne] Reference

Muret has ta - ken notice of this fadt; but, fuppofing it not general, he afcribes it to the particular pre - valency of drunken nefs in his country.    From Wordnik.com.  [Observations on Reversionary Payments: On Schemes for Providing Annuities for Widows, and for ...] Reference

And once the nature of any element has been determined as regards its valency, a most important insight into the possible behavior of that element has been secured.    From Wordnik.com.  [A History of Science: in Five Volumes. Volume IV: Modern Development of the Chemical and Biological Sciences] Reference

Now, the number of "affinity links" which one atom can exert is not unlimited; indeed, according to the valency theory as first formulated, it is fixed and constant.    From Wordnik.com.  [Alchemy: Ancient and Modern] Reference

The first Old World higher primates would be a plesiomorphy; German edition of his book entitled (in English) 'Phylo - it has no valency for sorting taxa within that group.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference