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[學習] 藥物分析

[ Chemistry ]7 留言, 推噓總分: +5

作者: rx1209 - 發表於 2017/05/13 16:20(8年前)

6^F推Lighty: 小弟過來人建議從有機光譜入門是可以的05/14 19:58

[高中] 幾題問題請教

[ Chemistry ]6 留言, 推噓總分: +5

作者: LCPallpass - 發表於 2016/12/13 20:25(9年前)

2^F推Lighty: 2. http://i.imgur.com/PttuOmI.jpg12/14 14:49

[學科] 請問某反應得失電子數要考慮係數嗎?

[ Chemistry ]4 留言, 推噓總分: +3

作者: showmett - 發表於 2016/07/04 14:02(9年前)

2^F推Lighty: 當然要啊07/04 17:08

[分享] 化學元素週期表...

[ Chemistry ]9 留言, 推噓總分: +8

作者: banana2014 - 發表於 2015/11/24 23:48(10年前)

4^F推Lighty: 推11/25 11:41

[有機]關於反應機構的畫法

[ Chemistry ]8 留言, 推噓總分: +2

作者: cebt320058 - 發表於 2015/11/19 10:09(10年前)

1^F推Lighty: 上面。一般反應機構箭號是電子流動方向，下面畫法變成[H:]11/19 11:44

2^F→Lighty: -離開11/19 11:44

[高中] 鍵結作用力

[ Chemistry ]7 留言, 推噓總分: +6

作者: ding94xu04 - 發表於 2015/10/20 20:44(10年前)

4^F推Lighty: A是不是都斷sigma bond?10/21 13:07

[問題] 兩個問題

[ Chemistry ]4 留言, 推噓總分: +3

作者: young841219 - 發表於 2015/10/20 18:11(10年前)

3^F推Lighty: 2陰離子聚合反應 ex.快乾10/21 13:09

[高中] E選項，拜托了！！

[ Chemistry ]12 留言, 推噓總分: +8

作者: qpwo080502 - 發表於 2015/06/03 13:28(10年前)

3^F→Lighty: ...06/03 14:57

[學習] alkyl radical的問題

[ Chemistry ]8 留言, 推噓總分: +2

作者: colingoodboy - 發表於 2015/05/26 22:46(10年前)

4^F推Lighty: radical是缺電子的狀態，vinyl radical上的carbon是sp2混05/27 00:38

5^F→Lighty: 成，其EN比ethyl radical的sp3混成大(s-orbital成分比例05/27 00:38

6^F→Lighty: 較多，較靠近原子核)，因此更需要電子，所以一樣是形成rad05/27 00:38

7^F→Lighty: ical(缺電子)，穩定性來說ethyl radical>vinyl radical05/27 00:38

8^F推Lighty: 1的解釋應該就是像你敘述的那樣05/27 00:40

[學習] 請問如何正確判斷混層軌域的種類

[ Chemistry ]11 留言, 推噓總分: +3

作者: aa25002100 - 發表於 2015/05/22 18:14(10年前)

1^F推Lighty: 氮用sp2混成孤對電子與兩個pi鍵形成共振系統具芳香性05/22 21:10

2^F→Lighty: 結構會比較穩定05/22 21:10

3^F推Lighty: 但如果像是pyrrolidine上的氮沒得共振就是用sp3混成05/22 21:15

5^F→Lighty: :)05/23 08:17

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