教育部海外學歷認證最新政策！附學歷認證申請攻略
又到一年畢業季。 對于留學生來說，回國的第一件事就是要將自己的海外學歷進行認證，它不僅是找工作的必備材料，也是享受留學回國政策的一大憑證！ 最近，教育部留學服務中心發布了最新的海外學歷認證規范通知。...
2023UKChO英國化學奧賽，備賽報名開啟！附國際化學奧賽時間軸
UKChO 英國化學奧林匹克學術活動（UK Chemistry Olympiad）由英國皇家化學學會主辦。英國皇家化學會是全球具有非凡影響力的化學學術組織之一，匯聚來自世界各地的化學科學家。英國化學奧林匹克學術活動中的試題會...
AQA A Level Chemistry復習筆記3.3.1 Reactivity of Halogenoalkanes
Reactivity of Halogenoalkanes The halogenoalkanes have different?rates?of?substitution?reactions Since substitution reactions involve?breaking?the?carbon-halogen?bond the?bond?energies?can b...
AQA A Level Chemistry復習筆記3.2.1 Fractional Distillation of Crude Oil
Fractional Distillation Crude oil is currently the world's main source of organic chemicals As a mixture, it isn’t a very useful substance, but the different hydrocarbons that make up the mixture, ...
AQA A Level Chemistry復習筆記3.1.1 Functional Groups
Organic Definitions & Terminology Organic chemistry?is the chemistry of carbon compounds Carbon forms a vast number of compounds because it can form strong covalent bonds with itself This enabl...
AQA A Level Chemistry復習筆記2.3.1 Physical Properties of Group 7
Group 7: Physical Properties The group 7 elements are called?halogens The halogens have uses in water purification and as bleaching agents (chlorine), as flame-retardants and fire extinguish...
AQA A Level Chemistry復習筆記2.2.1 Trends in Group 2: The Alkaline Earth Metals
Group 2: Trends Chemical trends All elements in Group 2 (also called?alkali earth metals)?have two electrons in their?outermost principal quantum shell All Group 2 metals can form?ionic?compounds?i...
AQA A Level Chemistry復習筆記2.1.1 Classification of an Element
The Periodic Table: Structure & Classification The?periodic table?is a list of all known elements arranged in order of?increasing atomic number,?from 1 to 118. In addition to this, the elements...
AQA A Level Chemistry復習筆記1.9.1 Oxidation & Reduction
Oxidation & Reduction There are three definitions of?oxidation?and?reduction? used in different branches of chemistry Oxidation?and?reduction?can be used to describe any of the following proces...
AQA A Level Chemistry復習筆記1.8.1 Chemical Equilibria
Reversible Reactions & Dynamic Equilibrium Reversible reaction Some reactions go to completion where the reactants are used up to form the products and the reaction stops when all of the reacta...
AQA A Level Chemistry復習筆記1.7.1 Collision Theory
Collision Theory Collision theory The?collision theory?states that for a chemical reaction to take place the particles need to?collide?with each other in the correct?orientation?and with enough?ene...
英國私立寄宿學校解讀！
英國教育可以分兩個系統：公立教育和私立教育。這兩種教育主要區別在于， 公立教育系統里學校的財政開支和管理由中央政府或者當地政府進行管控。大部分公立學校為走讀學校， 全英共有39所公立寄宿制學校， 但這些...
