引用第1499樓plmplm於2010-05-07 01:28發表的“”:
Ny 如果donate 左 LP....會LOSES aromaticity...
.......
好難-.- 雖然我覺得我個個用hybirdisation of N delta, 因為佢係sp2 , 個lone pair 係個trigonal plane 度,冇delocalisation 解,make sense 但原來都唔係ans
不過都係一分姐?
咁你拎到7十幾都唔錯啦
其實成份卷最唔識就係問mass spectronmetry 比起ideal gas equation 搵molar mass 有咩好處