divalent
/dahy-vey-luhnt/US // daɪˈveɪ lənt //UK // (daɪˈveɪlənt, ˈdaɪˌveɪ-) //
二价,二价值,二值,二价的
Definitions
adj.形容词 adjective
- 1
Chemistry.
- : having a valence of two, as the ferrous ion, Fe++.
Examples
Univalent hydrogen and divalent oxygen will then have the symbols H- and -O-.
In the divalent oxygen we meet with the modification called ozone, which, although unstable, changes but slowly into oxygen.
A divalent element, on the other hand, will combine with two atoms of a univalent element.
Silver acts as a univalent element and calcium as a divalent element in the formation of their respective nitrates and chlorides.
The elements are divalent in almost all of their compounds, and these compounds in solution give simple, divalent, colorless ions.
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