2023年ukcho竞赛时间已开启报名！牛剑G5申请者的必选化学竞赛
化学爱好者心中的No.1—UKChO学术活动，能在该赛事中脱颖而出的同学，可大幅度提升申请牛剑G5的成功率。需要提醒的是，2023年ukcho学术活动时间已开启报名！感兴趣的同学一定要抓紧时间准备！报名通道已开启，想要...
Edexcel A Level Chemistry:复习笔记7.6.5 Organic Techniques - Purification
Purification Methods There are different methods to purify organic compounds, including: Solvent extraction / use of a separating funnel Use of drying agents Recrystallisation Solvent extrac...
Edexcel A Level Chemistry:复习笔记7.6.4 Organic Techniques - Preparation
Distillation & Refluxing Simple distillation Simple distillation is a common practical completed in organic chemistry It is used as there are times that a reaction does not go to complet...
Edexcel A Level Chemistry:复习笔记7.6.3 Increasing Chain Length
Grignard Reagents If we need to increase the chain length we can use Grignard reagents Preparing Grignard reagents A halogenoalkane is dissolved in dry ether and reacted with magnesium to p...
Edexcel A Level Chemistry:复习笔记7.6.2 Planning Reaction Schemes
Planning Reaction Schemes A large number of organic products are made from a few starting compounds using appropriate reagents and conditions Knowing how organic functional groups are relate...
Edexcel A Level Chemistry:复习笔记7.6.1 Deducing Organic Structures
Deducing Organic Structures You will be expected to deduce the empirical, molecular and structural formulae of compounds from data such as: Combustion analysis Elemental percentage compositi...
2022-2023年AMC中国区报名已开启，AMC考试技巧和难度分布解析！
近几年来，美本竞争不断白热化，SAT/ACT、托福、GPA这些标化成绩已经很难让同学们在庞大的留学生群体中脱颖而出。这个时候，就需要一些活动学术活动来帮助同学们提升“软背景”，提高申请竞争力。今天要介绍的美国A...
2022年AMC10/12报名已开启！内附AMC详细报名指南！
在众多的国际思维挑战活动当中，美国AMC数学近年来可以说是火爆全球，成为名校申请的敲门砖！近日，中国区2022-2023学年AMC10/12活动已全面开启报名！ AMC学术活动报名方式 两种报名方式如下： AMC中国区组委会 ...
Edexcel A Level Chemistry:复习笔记7.5.7 Amino Acids & Proteins
Properties of 2-Amino Acids Acid / base properties of amino acids Amino acids will undergo most reactions of amines and carboxylic acids including acid-base reactions of: Amines with acids C...
Edexcel A Level Chemistry:复习笔记7.5.6 Condensation Polymerisation
Condensation Polymers Condensation polymerisation is another type of reaction whereby a polymer is produced by repeated condensation reactions between monomers Natural condensation polymers ...
Edexcel A Level Chemistry:复习笔记7.5.5 Amide Chemistry
Amide Formation Amides are organic compounds with an -CONR2 functional group They can be prepared from the condensation reaction between an acyl chloride and ammonia or amine In a condensati...
2023国际化学校春季招生开始了吗？
2022秋招结束不久，2023国际化学校春季招生开始了吗？国际学校春招虽然还未正式开始，但上海及周边国际化学校2023春招开放日安排已悄然放出！对国际教育方向有意向的学生/家长们要关注起来喽~ 具体时间安排如下：...
