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And now 4s jumps in before the 3d.
而现在4s在3d前面。
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The 3D wasn't that great.
D的效果不那么好。
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Now these are the 3d elements.
这些就是3d元素。
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That's the interactive program we have both in shock wave and in job of 3D, which allows students to build molecules.
那便是互动项目,我们同时有冲击波,和3D效果，使学生能够,构建分子。
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s1 So for the fourth period, now we're into the 4 s 1 3d for potassium here. And what we notice when we get to the third element in 4s2 and the fourth period is 3d that we go 4 s 2 and then we're back to the 3 d's.
对于第四周期到现在我们来到钾的1,然后我们返回到,我们注意到当我们看到第三个元素,第四周期我们来到,然后我们返回到。
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everyone thinks that 3D's going to be the next big thing,
所有人都认为3D会是未来的趋向，
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So what we know is that these 3 d orbitals are higher in energy than 4 s orbitals, so I've written the energy of the orbital here for potassium and for calcium.
我们所知道的是,3d轨道能量,比4s轨道能量高，所以我写出了,钾和钙的轨道能量。
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Again these are simpler in terms of the graphics but nonetheless they're 3D, they're fully 3D.
这些在图表上来说,会更简单,但是它们是3D效果，完全的三维效果。
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They can click on the particle and move it around in this 3D space.
学生可以在物质上点一下,然后让它动起来,在这个3D空间里。
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We can look at the 2 p, which should have one radial node, and we just figured it out for the, excuse me, 3d for the 3 p has one radial node, and for the 3 d here, we should have zero radial nodes, we just calculated that.
我们看2p，它有一个节点，我们已经知道对于，不好意思，是3p有一个节点，对于，它应该没有径向节点，我们刚刚算过这个。
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