AQA A Level Chemistry復習筆記6.2.7 Catalysis
Catalysis Catalysts play an important part in industry allowing reactions to be carried out more quickly and at lower temperatures There are two types of catalysts,?heterogeneous?and?homogen...
CAIE ALevel物理新大綱Astronomy & Cosmology公式！
CAIE劍橋國際考評中心ALevel物理（9702）從2022年起重新修改了考試大綱。A2部分新增了兩大塊兒全新的內容，PET scanning和Astronomy & Cosmology。今天帶大家總結Astronomy & Cosmology部分的五個部分，...
AQA A Level Chemistry復習筆記6.2.6 Redox Titrations
Redox Titrations Redox titration involves an?oxidising agent?being titrated against a?reducing agent Electrons are transferred from one species to another In acid-base titrations indicators ...
AQA A Level Chemistry復習筆記6.2.5 Variable Oxidation States
Variable Oxidation States The table below shows the most common oxidation states of a few transition metals Oxidation states of transition elements table When transition elements form...
AQA A Level Chemistry復習筆記 6.2.4 Formation of Coloured Ions
Colour in Transition Metal Ions Most transition element complexes are?coloured The transition metal ions can be identified by their colour The large variety of coloured compounds is a defini...
雅思口語Part1相關話題及問題的表達！
我們知道雅思口語考試的Part1部分，基本是圍繞著我們的衣食住行等個人信息來展開提問的，問來問去的核心不過就是我們在生活中做了什么事情，喜歡什么事情，為什么做這些事情，為什么喜歡這樣些事情等。 每一個人...
AQA A Level Chemistry復習筆記 6.2.3 Shapes of Complex Ions
Shapes of Complex Ions Depending on the?size of the ligands?and the?number of dative bonds?to the central metal ion, transition element complexes have different geometries Dative bonds can a...
AQA A Level Chemistry復習筆記 6.2.2 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 ...
AQA A Level Chemistry復習筆記 6.1.4 Oxides Reacting with Water
Oxides Reacting with Water Structure, bonding & electronegativity of the Period 3 elements table The oxides of?Na and Mg?which show purely?ionic bonding?produce?alkaline?solutions...
