...黑白灰, you're just repeating the conclusion from the question: "alkyl group is electron-donating because it donates electrons"...
(a) In group theory, a cyclic group is a group that can be generated by a single element...that the group has an element g (called a "generator" of the group ) such that, when written multiplicatively, every element of the group is a power...
... inductive effect, also known as the -I effect. Some groups , such as the alkyl group are less electron-withdrawing than hydrogen and...
一組人做的project 英文是什麼? 不錯就是 group project。兩個字都是 noun, 并無不可, 這是英語語法中的 compound noun ( 複合名詞...解 project done by a number of people working together。其他含 group 字的 compound noun 有 group practice 聯合醫療 (由多個醫生共同在一診所開業診病...
1) groups is classify by the characteristics of element. For example, group ...form alkali solution when dissolved in water,so they can alkali metal. But group is classify by the numbers of layer of electron. And there ...
... effect. for example, lactic acid [CH3CHOHCOOH] has -OH group behind the -COOH. with its inductive effect, -OH results...
...order 2. As a, a^2 and e are other distinct elements of the group , there cannot be more than 3 distinct elements of order 2. ...
...carbonate of the metal or the metal itself? For metal itself, the group one and two metals should be quite stable towards heating as they ...
This is an A-level question. For smaller Group I and II metal ions, their charge density is ...
... the smallest index.Therefore G is a cyclic group withgenerator x^k. 4.From 1., the element g^k of a cyclic groupwith order equal...