2023Fall美本申请开放及截止日期汇总！
8月，对于2023Fall留学美国的学生而言，来年秋季入学申请即将开始，需要抓紧时间考出成绩，补上不足之处，避免措手不及。 从往年看，大部分学校会在9月开放申请，距离现在只有不到一个月的时间！ 近期部分美国院...
CIE A Level Chemistry复习笔记7.1.1 Functional Groups
Functional Groups of Organic Compounds (AL) Many organic compounds contain one or more functional groups A functional group is an atom or group of atoms in an organic molecule, that determines its ...
CIE A Level Chemistry复习笔记6.3.7 Effect of Ligand Exchange on Stability Constant
Effect of Ligand Exchange on Stability Constant The stability constants (Kstab) of ligands are often given on a log10 scale so that it becomes easier to compare them with each other Ligand exchange...
CIE A Level Chemistry复习笔记6.3.6 Stability Constants, Kstab
Define & Write a Stability Constant for a Complex When transition element ions are in aqueous solutions, they will automatically become hydrated Water molecules will surround the ion and act as...
CIE A Level Chemistry复习笔记6.3.5 Stereoisomerism in Transition Element Complexes
Geometrical & Optical Stereoisomerism in Complexes Transition element complexes can exhibit stereoisomerism Geometrical (cis-trans) isomerism Even though transition element complexes do not ha...
CIE A Level Chemistry复习笔记6.3.4 Calculations of Other Redox Systems
Calculations of Other Redox Systems You are required to perform calculations involving redox reactions of transition elements These include: Constructing redox equations Calculating oxidation state...
CIE A Level Chemistry复习笔记6.3.3 Redox Systems
Redox Systems: Ferrous & Permanganate The oxidation states of transition element ions can change during redox reactions A species will either be oxidised or reduced, depending on what reaction ...
CIE A Level Chemistry复习笔记6.3.2 Predicting Feasibility of Redox Reactions
Feasibility of Redox Reactions Using Standard Electrode Values Transition elements can form ions with various oxidation states The change in their oxidation states involves the transfer of electron...
CIE A Level Chemistry复习笔记6.3.1 Ligand Exchange
Ligand Exchange Ligand exchange (or ligand substitution) is when one ligand in a complex is replaced by another Ligand exchange forms a new complex that is more stable than the original one The lig...
CIE A Level Chemistry复习笔记6.2.8 Coloured Complexes
Coloured Compounds & Electron Promotion Most transition element complexes are coloured A transition element complex solution which is coloured, absorbs part of the electromagnetic spectrum in t...
CIE A Level Chemistry复习笔记6.2.7 Degenerate & non-Degenerate d Orbitals
Define Degenerate & non-Degenerate d Orbitals There are five d orbitals in an isolated transition element atom or ion An isolated transition element is one that is not bonded to anything else T...
CAIE A-Level成绩放榜，各科目分数线已出！
CAIE剑桥国际考评部已经于2022年8月11日公布了今年夏季Alevel大考成绩。已经查到成绩的同学们都考得怎么样呢？都考到了目标分数了吗？ 虽然今年国内部分地区因为疫情采用了POE的评分方式，但大部分同学还是参加了...
