CIE A Level Chemistry复习笔记2.1.5 Period 3 Chlorides
Reaction of Period 3 Chlorides & Water Chlorides of Period 3 elements show characteristic behaviour when added to water which can be explained by looking at their chemical bonding and structure...
CIE A Level Chemistry复习笔记2.1.4 Period 3 Oxides & Hydroxides: Acid/Base Behaviour
Acid / Base Behaviour of Period 3 Oxides & Hydroxides Period 3 oxides Aluminium oxide is amphoteric which means that it can act both as a base (and react with an acid such as HCl) and an acid (...
CIE A Level Chemistry复习笔记2.1.3 Period 3 Oxides
Period 3: Oxides Reactions with oxygen & chlorine Reaction of Period 3 elements with oxygen table Reaction of Period 3 elements with chlorine table Reaction of sodium & magnesium with water...
CIE A Level Chemistry复习笔记2.1.2 Period 3 Elements: Structure & Bonding
Period 3: Structure & Bonding Melting point Melting points of the elements across Period 3 table Ions of Period 3 elements with increasing positive charge (metals) and increasing of outer elect...
CIE A Level Chemistry复习笔记2.1.1 Period 3 Elements: Physical Properties
Properties of the Elements in Period 3 Elements in the periodic table are arranged in order of increasing atomic number and placed in vertical columns (groups) and horizontal rows (periods) The ele...
CIE A Level Chemistry复习笔记1.8.4 Homogeneous & Heterogeneous Catalysts
Catalysts Catalysis is the process in which the rate of a chemical reaction is increased, by adding a substance called a catalyst A catalyst increases the rate of a reaction by providing the reacta...
CIE A Level Chemistry复习笔记1.8.3 Activation Energy & Boltzmann Distribution Curves
Activation Energy For a reaction to take place, the reactant particles need to overcome a minimum amount of energy This energy is called the activation energy (Ea) In exothermic reactions the react...
CIE A Level Chemistry复习笔记1.8.2 Rate of Reaction
Rate of Reaction: Concentration & Pressure Concentration The more concentrated a solution is, the greater the number of particles in a given volume of solvent An increase in concentration cause...
CIE A Level Chemistry复习笔记1.8.1 Collision Theory
Rate of Reaction: Collision Theory Reaction rate The rate of a reaction is the speed at which a chemical reaction takes place and has units mol dm-3 s-1 The rate of a reaction can be calculated by:...
