0eV This is almost 20 eV, high average valence electron energy, greater than 13 electron volts.
它的价电子能是,这是很高的价电子能,比13电子伏要高。
They have the highest average valence electron energy in any shell.
它们有最大的价电子能,任意一层都是这样。
So this is our valence electron configuration for b 2.
这是B2的价电子构型。
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