covalent bond

常見例句

What's the definition of the covalent bond?
共價鍵的定義是什么？
The ability of an atom to attract electrons, and in particular, in a covalent bond.
原子對電子的吸引能力，特別是在共價鍵中。
A covalent bond is any time we have a pair of electrons that is shared between two different atoms.
所謂共價鍵就是我們有兩個原子,共用一對電子。

He said that the percent ionic character, and this is within a bond, not for a compound, for a covalent bond.
他提到離子百分?jǐn)?shù)，是指一根鍵中，并非一個分子中。
麻省理工公開課 - 固態(tài)化學(xué)導(dǎo)論課程節(jié)選
A covalent bond is any time we have a pair of electrons that is shared between two different atoms.
所謂共價鍵就是我們有兩個原子,共用一對電子。
麻省理工公開課 - 化學(xué)原理課程節(jié)選
Likewise, the element that is a good electron acceptor in an electron transfer reaction is going to be the element that is going to hog the electrons in a covalent bond.
同樣的，這個元素在一個電子轉(zhuǎn)移反應(yīng)中,是個很好的受贈者它將成為在共價電子,中吸引電子的元素。
麻省理工公開課 - 固態(tài)化學(xué)導(dǎo)論課程節(jié)選

Avocados have become popular in restaurants and homes because, in food-science terms, they act as a "covalent bond" with other ingredients.
NPR: What's in a Name? The Avocado Story
Locklin and his colleagues sprayed the substance onto materials and exposed them to ultraviolet light, which causes a covalent bond with the host material.
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