This is called a dative bond.
这种化学键称为配位键。
So this can tell you why it's so happy with only having six electrons around it.
这里它不倾向于,全满的八配位。
Let's try something like four, which is what? Methane.
试试配位原子有4个的,那是什么东西,甲烷。
So, we need to fill our octet for selenium, so 1, 2, 3, 4.So, this is our Lewis structure here, hopefully you can see why it's not linear.
我们要填满硒原子的八配位,所以1,2,3,4。这就是Lewis结构,希望你们能看出来为什么它不是直线型的。
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