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
Edexcel IGCSE Chemistry 复习笔记 1.5.1 Word & Chemical Equations Writing Equations Nothing created - nothing destroyed However, the same atoms are always present before and after reaction They ...
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...
AQA A Level Physics复习笔记7.4.7 Comparing Gravitational & Electrostatic Forces
Gravitational v Electrostatic Forces The similarities and differences between gravitational and electrostatic forces are listed in the table below: Table Comparing G and E Fields The ...
AQA A Level Physics复习笔记7.4.6 Radial Electric Field
Electric Field of a Point Charge The electric field strength describes how strong or weak an electric field is at that point A point charge produces a radial field A charge sphere also acts ...
IB DP Maths: AA HL复习笔记3.8.2 Strategy for Trigonometric Equations
Strategy for Trigonometric Equations How do I approach solving trig equations? You can solve trig equations in a variety of different ways Sketching a graph If you have your GDC it is always worth...
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...
AQA A Level Physics复习笔记7.4.5 Motion of Charged Particles
Motion of Charged Particles in an Electric Field A charged particle in an electric field will experience a force on it that will cause it to move If a charged particle remains still in a uni...
IB DP Maths: AA HL复习笔记3.8.1 Trigonometric Proof
Trigonometric Proof How do I prove new trigonometric identities? You can use trigonometric identities you already know to prove new identities Make sure you know how to find all of the trig identit...
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...
AQA A Level Physics复习笔记7.4.4 Uniform Electric Field
Uniform Electric Field Strength The magnitude of the electric field strength in a uniform field between two charged parallel plates is defined as: Where: E = electric field strength (V m-1) ...
IB DP Maths: AA HL复习笔记3.7.2 Inverse Trig Functions
Inverse Trig Functions What are the inverse trig functions? The functions arcsin, arccos and arctan are the inverse functions of sin, cos and tan respectively when their domains are restricted sin ...
