An electron has a negative charge, a proton has a positive charge.

电子带负电荷，质子带正电荷。

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So while an electron has a negative charge, its antimatter counterpart, a positron, has a positive charge and they annihilate each other when they get too close.

所以，电子带负电，那它对应的反物质正电子就带正电，并且它俩如果靠太近就会湮灭掉。

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So for example, that might have a formal charge of negative 1, because to some extent it has gained that much electron density that it now has a formal charge that's negative.

比如，可能它的形式电荷为负一，因为在一定程度上它得到了这么多的共用电子密度，那么它现在就有了负的形式电荷。

youdao

So for example, that might have a formal charge of negative 1, because to some extent it has gained that much electron density that it now has a formal charge that's negative.

比如，可能它的形式电荷为负一，因为在一定程度上它得到了这么多的共用电子密度,那么它现在就有了负的形式电荷。

麻省理工公开课 - 化学原理课程节选

So, an electron has a charge of negative e, we've written here and the nucleus has a charge of positive e.

我们写在这，原子核带正e的电荷,我们看到作用力。

麻省理工公开课 - 化学原理课程节选