So, this is first ionization energy, let's think about second ionization energy.

那么，这就是第一电离能，下面让我们来想一想第二电离能。

youdao

So, this is first ionization energy, let's think about second ionization energy.

那么，这就是第一电离能，下面让我们来想一想第二电离能。

youdao