Tổng hợp đề ôn thi đh môn hóa 2

... = 24 ), Cu(Z = 29 ), Fe (Z = 26 ), Br (Z = 35)Cấu hình e nguyên tử ion sai A Cr: 1s22s22p63s23p63d54s1 B Br: 1s22s22p63s23p63d104s24p6 C Fe3+ : 1s22s22p63s23p63d5 D Cu+: 1s22s22p63s23p63d94s1 Cõu... bay l A 2, 5, B 2, 3, C 1, 3, D 2, 4, Cõu 22 : Cụng thc tng quỏt ca aminoaxit no cha hai nhúm amino v mt nhúm cacboxyl, mch h l A CnH2n+O2N2 B CnH2n+2O2N2 C CnH2n+3O2N2 D Cn+H2n+O2N2 Cõu 23 : Cho... 14C 15B 16A 17D 18B 19C 20 C 21 B 22 D 23 A 24 D 25 C 26 B 27 A 28 D 29 C 30B 31B 32D 33A 34C 35D 36A 37B 38C 39A 40B 41D 42A 43B 44A 45C 46D 47C 48B 49B 50C 5- 24 ễN TNG HP S 22 Cõu 1: Hũa tan ht 19,9