reactivity

/ˌriːækˈtɪvəti/ 2
the state or power of being reactive or the degree to which a thing is reactive. "the chemical and biological reactivity of nontarget organisms"

noun [抽象名词]反应;反动

Oxygen has high reactivity.
氧的反应性很高。

单词造句:
网友用“Reactivity”造句精选
Now with this framework, I said that talking about these valence electrons might give us some insight into chemical reactivity. 现在在这个结构下,我说过讨论这些价电子可能会让我们对化学反应有更深的理解。
Reactivity is an increase in negative emotions or a decrease in positive emotions. 情绪反应是指消极情绪的增加或积极情绪的减少。