CAIE A-Level成績放榜，各科目分數線已出！
CAIE劍橋國際考評部已經于2022年8月11日公布了今年夏季Alevel大考成績。已經查到成績的同學們都考得怎么樣呢？都考到了目標分數了嗎？ 雖然今年國內部分地區因為疫情采用了POE的評分方式，但大部分同學還是參加了...
CIE A Level Chemistry復習筆記6.2.6 Geometry of Complexes
Geometry of the Transition Element Complexes Depending on the?size of the ligands?and the?number of dative bonds?to the central metal ion, transition element complexes have different geometries Dat...
CIE A Level Chemistry復習筆記6.2.5 Defining Complexes
Define Complex A?complex?is a molecule or ion formed by a?central metal atom?or ion?surrounded by one or more?ligands A ligand is a species that contains one or more?lone pairs of electrons The lig...
CIE A Level Chemistry復習筆記6.2.4 Ligands
Define Ligand A?ligand?is a molecule or ion that has?one?or?more?lone pairs of electrons These lone pairs of electrons are donated by the ligand, to form?dative covalent bonds?to a central metal at...
CIE A Level Chemistry復習筆記6.2.3 Transition Metal Complexes
Transition Elements: Ligands & Complex Formation Transition element ions can form complexes which consist of a?central metal ion?and?ligands Copper(II) and cobalt(II) ions will be used as examp...
CIE A Level Chemistry復習筆記6.2.2 Oxidation States of Transition Metals
Effects of the 3d & 4s Subshells on Oxidation States of the Transition Elements Transition elements can have?variable oxidation states These variable oxidation states can be formed as the 3d an...
CIE A Level Chemistry復習筆記6.2.1 General Properties of the Transition Elements: Titanium to Copper
Define Transition Element Transition elements?are d-block elements which form?one?or?more?stable?ions?with an?incomplete d subshell They are all metals found in the d-block of the Periodic Table, b...
CIE A Level Chemistry復習筆記6.1.1 Similarities, Trends & Compounds of Magnesium to Barium
Effect of Ionic Radius on Thermal Stability of Group 2 Nitrates & Carbonates The Group 2 nitrates and carbonates become?more thermally stable?going down the group The?charge density?of the cati...
CIE A Level Chemistry復習筆記5.6.7 Homogeneous & Heterogeneous Catalysts
Homogeneous & Heterogeneous Catalysis Catalysts?increase the rate of reaction by providing an alternative pathway which has a lower?activation energy Catalysts can be either?homogeneous?or?hete...
ssat閱讀怎么學？我們需要把握哪些重點？
ssat閱讀怎么學？很多同學在做SSAT題目的初期都很不適應，多數會與托福閱讀產生比較。SSAT是一種測試學術能力的考試，在閱讀上就體現為對考生理解能力的考查，考查的要求也不僅僅是看懂文章，而是要求真正理解文...
CIE A Level Chemistry復習筆記5.6.6 Factors affecting Rate Constant
Effect of Temperature on the Rate Constant At higher temperatures, a greater proportion of molecules have energy greater than than the activation energy Since the?rate constant?and?rate of reaction...
CIE A Level Chemistry復習筆記5.6.5 Multi-Step Reactions
Kinetics of Multi-Step Reactions The?reaction?mechanism?of a reaction describes how many steps are involved in the?making?and?breaking?of bonds during a chemical reaction It is the slowest step in ...
