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Q1:which of the following substances is not amphoteric? (A)H2O (B)Ga2O3 (C)Al(OH)3 (D)In2O3 Q2:which of the following compounds possess the so called "three-center bond"? (A)solid BeCl2 (B)PCl3 (C)solid BeH2 (D)PH3 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.228.152.252
capinot:都是(A) 02/26 21:21
nestealee:D&C 02/26 21:36
shok:我選 1D 2C 02/26 22:43
yacat:感謝樓上的,第二題我會了。不過第ㄧ題為何選(C)呢? 02/26 23:06
shok:第一題 我是選D 好像有背過Be Al Cr Zn Ga Sn Pb 氧化物 兩性 02/26 23:09
yacat:喔 抱歉 看錯了! >"< 真糟糕 沒背過耶! 02/26 23:13