TIMES英国大学排名2022重磅发布!
大家留学比较主流的参考是QS世界排名,但是其实英国大学还有泰晤士排名(The Times),卫报排名(The Guardian)和独立报排名(The Complete University Guide)等机构的榜单。TIMES英国大学排名2022重磅发布! ...
大家留学比较主流的参考是QS世界排名,但是其实英国大学还有泰晤士排名(The Times),卫报排名(The Guardian)和独立报排名(The Complete University Guide)等机构的榜单。TIMES英国大学排名2022重磅发布! ...
AMC由美国数学协会(MAA)举办,起源于1950年,旨在为美国参加国际数学奥林匹克的国家队选拔人才。AMC 2022年报名预计九月开启,距离AMC10/12还有不到三个月的复习时间。 作为含金量最高的数学学术活动之一,在标...
AMC是美国数学思维活动(American Mathematics Competitions)的简称,是一项面向世界中学生的数学思维训练,目前每年全球有超过6000所学校的30万名学生参加该活动,是当今世界上最科学、最权威、最具信誉度的数...
CTB 全球创新研究大挑战来啦!关注PBL赛事的家长和同学,CTB这个赛事对大家应该并不陌生。China Thinks Big(简称CTB),由哈佛商学院和清华大学经管学院学者联合启动,是以学术研究和社会实践推动社会创新的国际...
想被成功录取,学术实力与领导力等申请必备项一个都不能少。想要展现这些特质,参加相关学术活动无疑是不错的选择。恰好全球首个将STEM与商科结合的康莱德创新挑战赛正在火热报名中,感兴趣的同学千万别错过!康...
Predicting Structure & Bonding Different types of structure and bonding have different effects on the physical properties of substances such as their melting and boiling points, electric...
Simple Molecular Compounds Simple Molecular Compounds Covalent substances tend to have small molecular structures, such as Cl2, H2O or CO2 These small molecules are known as simple molecules...
Giant Lattices Ionic Lattices The ions form a lattice structure which is an evenly distributed crystalline structure Ions in a lattice are arranged in a regular repeating pattern so that pos...
Metallic Bonding 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 move throughout...
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