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。

youdao

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。

youdao