価か数すうかすうMeanings1nounvalenceChemistry term referring to the combining capacity of an atom or group of atoms.炭たん素その価か数すうは4です。The valence of carbon is 4.この元げん素そは価か数すうが2なので、酸さん素そと結けつ合ごうしやすい。This element has a valence of 2, so it readily bonds with oxygen.
