bn:02710644n
Noun Concept
Categories: Chemical bonding
EN
divalent  bivalent
EN
In chemistry, a divalent element, ion, functional group, or molecule has a valence of two. Wikipedia
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EN
In chemistry, a divalent element, ion, functional group, or molecule has a valence of two. Wikipedia
Element, ion, functional group, or molecule has a valence of two Wikidata
HAS INSTANCE
HAS QUALITY
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