作者QKILOLOQ (J-J Thomson)
看板Chemistry
标题mendeleev..
时间Sat Feb 24 21:45:38 2007
Mendeleev arranged the elements according to
(a)atomic weight and chemical reactivity
(b)physical state and relative abundance
(c)none is correct
请问哪一选项才是正确
我选的是(b)
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