牛津物理系学长分享申请经验，7月9日线上讲座来袭！学霸同款赛事等你来挑战！
作为英国方向的“塔尖尖”，牛津大学一直是很多同学梦寐以求的学术天堂。 像牛津这样的G5精英强校，究竟喜欢怎样的学生？已经收获牛津大学物理专业offer的翰林学员L同学的经历，或许能给你一些参考。 翰林L同学 牛...
AQA A Level Chemistry复习笔记1.6.2 Energy Level Diagrams
Energy Level Diagrams An energy level diagram is a diagram that shows the energies of the reactants, the transition state(s) and the products of the reaction as the reaction proceeds ( calle...
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在飞速发展的现代社会，无处不充斥着“投资”,无论是对事业的投资，还是对生活的投资,我们都需要拥有详细规划的能力,而商赛是让同学们提前进行全方位商业模拟,感受真实投资环境的最优选择。 翻看许多“大佬”的高中经...
英国大学认可的Duolingo多邻国、朗思语言考试介绍
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AQA A Level Chemistry复习笔记1.5.4 Effects of Forces Between Molecules
Influence of Intermolecular Forces Properties of water Hydrogen bonding in water, causes it to have anomalous properties such as high melting and boiling points, high surface tension and a h...
AQA A Level Chemistry复习笔记1.5.3 Types of Forces Between Molecules
Intramolecular Forces vs. Intermolecular Forces Intramolecular forces Intramolecular forces are forces within a molecule and are usually covalent bonds Covalent bonds are formed when the out...
AQA A Level Chemistry复习笔记1.5.2 Bond Polarity
Electronegativity Electronegativity is the power of an atom to attract the pair of electrons in a covalent bond towards itself The electron distribution in a covalent bond between elements w...
AQA A Level Chemistry复习笔记1.4.10 Effects of Structure & Bonding
Effects of Bonding & Structure on Physical Properties Different types of structure and bonding have different effects on the physical properties of substances such as their melting and b...
AQA A Level Chemistry复习笔记1.4.9 Properties of Metallic Substances
Metallic Lattice Structures Metals form giant metallic lattices in which the metal ions are surrounded by a ‘sea’ of delocalised electrons The metal ions are often packed in hexagonal layers...
AQA A Level Chemistry复习笔记1.4.8 Properties of Covalent Substances
Covalent Lattice Structures Covalent lattices Covalent bonds are bonds between nonmetals in which electrons are shared between the atoms Covalent compounds can be arranged in simple molecula...
AQA A Level Chemistry复习笔记1.4.7 Properties of Ionic Compounds
Ionic Lattice Structures Most ionic, metallic and covalent solids are crystalline lattices The ions, atoms or molecules are arranged in a regular and repeating arrangement Giant ionic lattic...
AQA A Level Chemistry复习笔记1.4.6 Metallic Bonding
Metallic Bonding: Definition Metal atoms are tightly packed together in lattice structures When the metal atoms are in lattice structures, the electrons in their outer shells are free to mov...
