Edexcel IGCSE Chemistry 复习笔记 1.5.3 Moles, Mass & RFM
Edexcel IGCSE Chemistry 复习笔记 1.5.3 Moles, Mass & RFM The Mole The Mole Chemical amounts are measured in moles The symbol for the unit mole is mol One mole of a substance contains the...
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Edexcel IGCSE Chemistry 复习笔记 1.5.2 Calculate Relative Mass
Edexcel IGCSE Chemistry 复习笔记 1.5.2 Calculate Relative Mass Relative Formula Mass & Relative Molecular Mass We have seen previously that the symbol for the relative atomic mass is Ar ...
Edexcel IGCSE Chemistry 复习笔记 1.5.1 Word & Chemical Equations
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Edexcel IGCSE Chemistry 复习笔记 1.4.4 Electronic Configuration & Reactivity
Edexcel IGCSE Chemistry 复习笔记1.4.4 Electronic Configuration & Reactivity Similar Chemical Properties Chemical properties of elements in the same group Elements in the same group in th...
Edexcel IGCSE Chemistry 复习笔记 1.4.3 Classify Metals & Non-Metals
Edexcel IGCSE Chemistry 复习笔记 1.4.3 Classify Metals & Non-Metals Classify Metals & Non-Metals We can use properties such as electrical conductivity and acid-base character to clas...
Edexcel IGCSE Chemistry 复习笔记 1.4.2 Electronic Configurations
Edexcel IGCSE Chemistry 复习笔记 1.4.2 Electronic Configurations Deducing Electronic Configurations We can represent the electronic structure of atoms using electron shell diagrams Electrons...
Edexcel IGCSE Chemistry 复习笔记 1.4.1 Periodic Table: Basics
Edexcel IGCSE Chemistry 复习笔记 1.4.1 Periodic Table: Basics Arrangement of the Periodic Table There are over 100 chemical elements which have been isolated and identified Elements are arra...
Edexcel IGCSE Chemistry 复习笔记 1.3.2 Calculate Relative Atomic Mass
Edexcel IGCSE Chemistry 复习笔记 1.3.2 Calculate Relative Atomic Mass Calculate Relative Atomic Mass The relative atomic mass of each element is calculated from the mass number and relative abundan...
Edexcel IGCSE Chemistry 复习笔记 1.3.1 Atoms: Definitions & Structure
Edexcel IGCSE Chemistry 复习笔记 1.3.1 Atoms: Definitions & Structure Atoms & Molecules It is important to understand the terms atom and molecule when referring to atomic structure, ...
