艺术留学到底好不好？
近年来，随着设计、艺术行业的发展，人们的审美和艺术需求日益增加，艺术设计领域已经摆脱了小众的标签，越来越多人进入这个专业领域，除了对艺术始终保持兴趣的艺术生，很多在综合类学校的非艺术生也中途选择了...
CIE A Level Chemistry复习笔记3.1.12 Chirality
Chirality & Enantiomers Chiral centres in non-cyclic molecules A chiral centre in a molecule is a carbon atom that has four different atoms or group of atoms attached This gives rise to two opt...
CIE A Level Chemistry复习笔记3.1.11 Stereoisomerism
Stereoisomerism: Geometrical & Optical Stereoisomers are compounds that have the same atoms connected to each other, however the atoms are differently arranged in space There are two types of s...
CIE A Level Chemistry复习笔记3.1.10 Structural Isomerism
Structural Isomerism: Chain, Position & Functional Group Structural isomers are compounds that have the same molecular formula but different structural formulae Eg. propene and cyclopropane Bot...
CIE A Level Chemistry复习笔记3.1.9 Planarity of Organic Molecules
Planar Molecules Planar molecules have all their atoms in the same plane Eg. linear, bent, trigonal planar and square planar Molecules which have all their atoms in the same plane The presence of a...
CIE A Level Chemistry复习笔记3.1.8 Hybridisation in Organic Molecules
Hybridised Atoms: Shapes & Bond Angles in Molecules Each carbon atom has four electrons in its outer shell (electronic configuration: 1s22s22p2) Carbon atoms share these four electrons in four ...
CIE A Level Chemistry复习笔记3.1.7 Shapes of Organic Molecules; Sigma & Pi Bonds
Straight, Branched & Cyclic Molecules Straight, branched and cyclic organic molecules are also called aliphatic compounds as long as they do not contain a benzene ring Straight-chain Straight-c...
CIE A Level Chemistry复习笔记3.1.6 Terminology Used in Reaction Mechanisms
Terminology Used in Reaction Mechanisms In organic reaction mechanisms, curly arrows represent the movement of electron pairs The arrow beings at a bond or a lone pair of electrons and points to th...
CIE A Level Chemistry复习笔记3.1.5 Characteristic Organic Reactions
Definitions & Terminology in Organic Chemistry Homologous series A homologous series is a group of organic compounds that have the same functional group, the same general formula and the same c...
2022招生季，上海美达菲学校面向全国招生！
上海美达菲学校(The MacDuffie School) 由哈佛大学毕业的美达菲夫妇创立于1890年，至今已有132年历史，学校坐落在全美教育资源集中的新英格兰地区。2022年国际学校招生季，上海美达菲学校面向全国招生！ 上海美达...
CIE A Level Chemistry复习笔记3.1.4 Molecular & Empirical Formulae
Molecular & Empirical Formulae of Organic Compounds The molecular formula shows the number and type of each atom in a molecule Eg. the molecular formula of ethanoic acid is C2H4O2 The empirical...
CIE A Level Chemistry复习笔记3.1.3 Naming of Organic Compounds
Nomenclature of Aliphatic Compounds Systematic nomenclature can be used to name organic compounds and therefore make it easier to refer to them The alkanes provide the basis of the naming system an...
