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Что (кто) такое Valence - определение
WIKIMEDIA DISAMBIGUATION PAGE
Valency; Valence (France); Valencies; Valence (disambiguation); Valence (science); Valence, France
Найдено результатов: 339
Valence
·noun The degree of combining power of an atom (or radical) as shown by the number of atoms of hydrogen (or of other monads, as chlorine, sodium, ·etc.) with which it will combine, or for which it can be substituted, or with which it can be compared; thus, an atom of hydrogen is a monad, and has a valence of one; the atoms of oxygen, nitrogen, and carbon are respectively dyads, triads, and tetrads, and have a valence respectively of two, three, and four.
Valence (psychology)
AFFECTIVE QUALITY REFERRING TO THE INTRINSIC ATTRACTIVENESS OR AVERSENESS OF AN EVENT, OBJECT, OR SITUATION
Hedonic tone; Emotional valence
Valence, or hedonic tone, is the affective quality referring to the intrinsic attractiveness/"good"-ness (positive valence) or averseness/"bad"-ness (negative valence) of an event, object, or situation.Nico H.
valency
['ve?l(?)nsi]
¦ noun (plural valencies) Chemistry, chiefly Brit. the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.
Origin
C17: from late L. valentia 'power, competence'.
valency
Valencies
·pl of Valency.
Valency
The relative power of replacing hydrogen or combining therewith
possessed by different elements; the number of atomic bonds belonging to
any element. Thus oxygen has a twofold valency, is bivalent or is a
dyad, and combines with two atoms of hydrogen because the latter has a
unitary atomicity, is monovalent or is a monad.
Valency
·noun ·see Valence.
II. Valency ·noun A unit of combining power; a so-called bond of affinity.
divalent
MEASURE OF AN ELEMENT'S COMBINING CAPACITY WITH OTHER ATOMS WHEN IT FORMS CHEMICAL COMPOUNDS OR MOLECULES
Trivalent; Tetravalence; Trivalents; Tetravalents; Pentavalents; Zerovalent; Valence number; Valency number; Valency (chemistry); Divalent; Pentavalent; Combining capacity; Multivalency; Bivalent (chemistry); Hexavalent; Cations, divalent; Tetravalent; Valence (chemistry)/Table; Valency rules; Monovalent ion; Template:Valence table; Plurivalent; Periodic table (valence); Polyvalent ions; Tervalent; Quadrivalent; Heptavalent; Octavalent; Nonavalent; Decavalent; Nonvalent
[d??'ve?l(?)nt]
¦ adjective Chemistry having a valency of two.
Octavalent
MEASURE OF AN ELEMENT'S COMBINING CAPACITY WITH OTHER ATOMS WHEN IT FORMS CHEMICAL COMPOUNDS OR MOLECULES
Trivalent; Tetravalence; Trivalents; Tetravalents; Pentavalents; Zerovalent; Valence number; Valency number; Valency (chemistry); Divalent; Pentavalent; Combining capacity; Multivalency; Bivalent (chemistry); Hexavalent; Cations, divalent; Tetravalent; Valence (chemistry)/Table; Valency rules; Monovalent ion; Template:Valence table; Plurivalent; Periodic table (valence); Polyvalent ions; Tervalent; Quadrivalent; Heptavalent; Octavalent; Nonavalent; Decavalent; Nonvalent
·adj Having a valence of eight; capable of being combined with, exchanged for, or compared with, eight atoms of hydrogen;
- said of certain atoms or radicals.
