劍橋詞典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 價(jià)，原子價(jià)，化郃價(jià) Zinc has a valency of 2. 鋅是二價(jià)元素。 返回 valency