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单词 Electron affinity
释义

Electron affinity

原声例句
Crash Course 综合篇

That energy is called " electron affinity."

这种能量被称为“电子亲和力” 。

可汗学院:生物化学

This is within the context of a covalent bond, how much electron affinity is there?

这是在共价键的范围内,有多少电子亲和力?

可汗学院:生物化学

Well, electron affinity is how much does that atom attract electrons, how much does it like electrons?

好吧,电子亲和力是那个原子吸引电子的程度,它喜欢电子的程度是多少?

可汗学院:生物化学

And they're so closely related that in general, if something has a high electronegativity, they have a high electron affinity, but what does this mean?

它们之间的关系如此密切,以至于一般来说,如果某物具有高电负性,它们就具有高电子亲和力,但这意味着什么?

中文百科

电子亲合能

一元素或化合物 X 的电子亲合能(或电子亲和势电子亲和力Eea 等于该物质的 -1 价离子失去一个电子,变成基态原子或化合物时所需吸收的能量。

X + Eea → X + e

X 的电子亲合能越大,它夺取电子的能力(或称「非金属性」)越强。氯元素的电子亲合能最大。

英语百科

Electron affinity 电子亲合能

EA vs Atomic Number
Band diagram of semiconductor-vacuum interface showing electron affinity EEA, defined as the difference between near-surface vacuum energy Evac, and near-surface conduction band edge EC. Also shown: Fermi level EF, valence band edge EV, work function W.

In chemistry and atomic physics, the electron affinity of an atom or molecule is defined as the amount of energy released when an electron is added to a neutral atom or molecule in the gaseous state to form a negative ion.

In solid state physics, the electron affinity for a surface is defined somewhat differently (see below).

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更新时间:2025/6/20 5:01:45