Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記1.4.4 Electronic Configuration & Reactivity Similar Chemical Properties Chemical properties of elements in the same group Elements in the same group in th...
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 ...
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 ...
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 復(fù)習(xí)筆記 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...
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...
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 復(fù)習(xí)筆記 1.4.2 Electronic Configurations Deducing Electronic Configurations We can represent the electronic structure of atoms using electron shell diagrams Electrons...
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) ...
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 ...
