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BNC: 39210 COCA: 0
valencynoun [ C ]uk/ˈveɪ.lən.si/ us/ˈveɪ.lən.si/ also valence specialized

a measurement that shows the number of hydrogen atoms that can combine with one atom of a particular chemical element to make a compound, used to describe how easily an element can connect in a chemical way with others价,原子价,化合价

Zinc has a valency of 2.锌是二价元素。
BNC: 39210 COCA: 0
BNC: 39210 COCA: 0
BNC: 39210 COCA: 0
valency
Atoms and parts of atoms: alpha particle, anion, antiparticle...
Types and forms of word, clause or sentence: accusative, adjunct, allomorph...

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