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...
專科畢業可以申請香港研究生嗎？
專科畢業可以申請香港研究生嗎？ 雖然大部分香港碩士都要求學生持有大學本科學歷，但是也有專業接受大專學歷學生的申請。目前接受大專學歷直接申請的碩士項目有：香港都會大學的工商管理碩士（中文）和中國環保研...
AQA A Level Chemistry復習筆記6.1.3 Melting Point Trend
Melting Point Trend The melting points of the oxides vary significantly across Period 3 and show a clear trend Melting point is a clear indication of the forces of attraction which exist bet...
AQA A Level Chemistry復習筆記6.1.2 Reaction with Oxygen
Reaction with Oxygen Oxide Formation The period 3 elements, excluding chlorine and argon, combine with oxygen to form oxides The oxide formed will contain the elements in their highest oxida...
2022-23申請季，南加州大學重新開放EA輪申請！
南加州大學（USC）是不少學生夢寐以求的大學，在電影、傳播、商科專業在全美負有極高的聲望和含金量。往年，南加大只設有一輪常規申請Regular Decision（RD），于1月15日截止。 近日，南加大官網宣布重大變化——20...
全面解讀2022劍橋ENGAA工程考試
什么是劍橋ENGAA工程考試 劍橋大學ENGAA工程考試的全稱是Engineering Admissions Assessment (工程專業入學考試)，是劍橋大學對申請就讀工程專業的學生進行的數學、物理學業水平測試。 劍橋ENGAA 2022考試關鍵日...
