OK, then it says draw a single bond from each surrounding atom to the central atom, and subtract two valence electrons.
后将中心原子与其相邻原子之间,连上单键,然后减掉2个价电子。
and a lot of other people show up and then they... a half hour after that they draw names out.
很多人都会来。半个小时后,他们抽取名字。
So, we can put our sulfur in the middle, and then it doesn't really matter how we draw the rest of it, where we put our c l's versus where we put our oxygen.
那么,我们可以把硫放在中间,然后把其它的原子画在哪里就不重要了,把两个氯原子与一个氧原子放在哪里都行。
You put a child on one side of the mountains and you ask him to draw it, and a four- or five-year-old can do it easily, but then you ask him to draw it as it would appear from the other side and children find this extraordinarily difficult.
你让孩子在模型的一边,要求他把自己看到的三山模型画出来,四五岁的儿童便能够轻易做到,但是,如果你要求儿童画出,从模型另一边看过去的样子,儿童就会觉得非常困难
How about this guy? I draw A, then I draw another A.
如果这样做会怎样呢,我先画矢量 A,然后再画一个矢量 A
And then people basically just draw them in these different costumes.
然后,人们基本上就是画那些穿着不同的戏服的模特。
So we have h, then we can draw our bond as a line.
那么我们有氢,可以把我们的键画成一条线。
So for example, if you know how to draw an s orbital for a hydrogen atom, then you already know how to draw the shape of an s orbital or a p orbital for argon.
举个例子,如果你们知道如果画,氢原子的s轨道,那么你们已经知道如何去,画氩的s轨道和p轨道的形状。
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