Edexcel IGCSE Chemistry 复习笔记 2.1.2 Group 1: Reactivity & Electronic Configurations Group 1: Reactivity & Electronic Configurations The reactivity of the group 1 metals increases ...
Edexcel IGCSE Chemistry 复习笔记 2.1.1 Group 1 (Alkali Metals) How Alkali Metals React with Water The group 1 metals are known as the alkali metals They form alkaline solutions when they rea...
Edexcel IGCSE Chemistry 复习笔记 1.9.4 Practical: Investigate the Electrolysis of Aqueous Solutions Practical: Investigate the Electrolysis of Aqueous Solutions Aim: To electrolyse aqueous solution...
Edexcel IGCSE Chemistry 复习笔记 1.9.3 Writing Half-Equations Writing Half-Equations In electrochemistry we are mostly concerned with the transfer of electrons, hence the definitions of oxid...
Edexcel IGCSE Chemistry 复习笔记 1.9.2 Electrolysis Experiments Electrolysis of Molten Compounds Lead(II) bromide is a binary ionic compound meaning that it is a compound consisting of just ...
Edexcel IGCSE Chemistry 复习笔记 1.9.1 Explaining Conductivity Conductivity of Covalent Compounds Electric current is the flow of charged particles This usually refers to electrons, but it c...
Edexcel IGCSE Chemistry 复习笔记 1.8.1 Metallic Bonding Metallic Bonding Metal atoms are held together strongly by metallic bonding Within the metal lattice, the atoms lose their valence ele...
Edexcel IGCSE Chemistry 复习笔记 1.7.4 Giant Covalent Structures Giant Covalent Structures Covalent bonding can be responsible for substances that have many different structures and therefor...
Edexcel IGCSE Chemistry 复习笔记 1.7.3 Simple Molecular Structures Simple Molecular Structures Simple molecular structures have covalent bonds joining the atoms together, but intermolecular ...
