Also for them, not as quite as reactive as the alkaline metals.

同样对他们来说，不如碱金属那么活泼。

The first two columns on the left are your alkali metals, and your alkaline earth metals.

左边的前两列是碱金属和碱土金属。

If we move one over to the right this group two right over here, these are called the alkaline earth metals.

如果我们把一个移到右边，这两个就在这里，它们被称为碱土金属。