10电子微粒有哪些 及18电子有哪些
回复(3) 2009-03-06 21:43 来自版块 - 
表情
wulinen18...H2S/HCl/PH3/SiH4/Cl-/S-/K+/Ca2+/C2H4/CH2O(2009-03-06 22:07)
wulinen还有NH4+·····················(2009-03-06 22:01)
wulinen10.。。HF/H3O+/H2O/F-/O2-/N3-/Na+/Mg2+/Al3+/CH4(2009-03-06 22:00)

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