AQA A Level Physics复习笔记1.1.1 SI Units
SI Base Quantities There is a seemingly endless number of units in Physics These can all be reduced to six base units from which every other unit can be derived These seven units are referre...
SI Base Quantities There is a seemingly endless number of units in Physics These can all be reduced to six base units from which every other unit can be derived These seven units are referre...
Random & Systematic Errors Measurements of quantities are made with the aim of finding the true value of that quantity In reality, it is impossible to obtain the true value of any quanti...
Required Practical 7 Required Practical 7: Measuring the rate of a reaction There are two ways to measure the rate of reaction By an initial rate method By a continuous monitoring method &nb...
Edexcel IGCSE Maths复习笔记 1.13.2 Standard Form - Harder Standard form – harder questions Make sure you are familiar with:Roots & Indices – Basics Standard Form – Basics Harder problems often ...
Required Practical 11 Required Practical 11: Carry out simple test-tube reactions to identify transition metal ions in aqueous solution This practical covers a number of key laboratory skill...
Introduction to required practical 10a Required Practical 10a: Preparation of an organic solid and a test of its purity This practical covers a number of key laboratory skills use appropriat...
Edexcel IGCSE Maths复习笔记 1.13.1 Standard Form - Basics What is standard form? Standard Form (sometimes called Standard Index Form) is a way of writing very big and very small numbers using power...
Optical Isomerism Optical isomerism Stereoisomers are molecules that have the same structural formula but have the atoms arranged differently in space There are two types of stereoisomerism ...
Oxidation of Aldehydes Aldehydes and ketones contain the carbonyl functional group, C=O This is why aldehydes and ketones are also known as carbonyls The difference between aldehydes and ket...
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