Taken from the specification, so should be all you need to know for unit two, AQA Chemistry GCSE. Good luck =)
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Erstellt von Natalia Cliff
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Erstellt von Natalia Cliff
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Draw a sodium Ion
Draw a water molecule
Draw a metal
What are compounds?
What does chemical bonding involve?
How are ions formed
What do Alkali Metals react with?
What are ionic compounds
Sodium Chloride structure
What is Covalent bonding?
What are metals made of?
Properties of simple molecules
Properties of Ionic Compounds
Properties of Covalent Structures
Properties and structure of Diamond
Properties and structure of Graphite
What are fullerenes?
What are fullerenes used for?
Properties of metals
Structure and properties of Alloys
What do the properties of polymers depend on?
Types of polymers
What is Nanoscience?
Why is Nanoscience useful?
Atomic Structure
What is an atom's Relative Atomic Mass (Ar)?
What is the Relative Formula Mass (Mr)?
What are Moles?
If you have problems understanding moles, this explanation is by Randall Munroe, I found it helpful
Instrumental Methods
Chemical Analysis
Paper Chromatography
What is Gas Chromatography
How does Gas Chromatography work?
Mass Spectronomy
Calculating the percentage of an element in a compound
Empirical Formula
Why may you not get 100% yield?
What is a percentage yield?
What is a reversible reaction?
How can you find the rate of reaction?
When do chemical reactions occur?
What is activation energy?
What factors increase the rate of reaction?
What happens when chemical reactions occur?
What is an exothermic reaction?
What is an endothermic reaction?
Energy change in reversible reactions
Copper Sulphate reaction
What are the state symbols in equations?
What are the different reactions for salts?
Acids and Alkalis Method
Acids and Metals Method
Soluble Salts Method
How can you turn a salt solution into a solid salt
How can you remove unwanted ions from solutions?
What are bases and alkalis?
What does the particular salt formed in an acid and base/alkali reaction depend on?
What is ammonia used for?
The ions in acids and alkalis
PH scale
What happens when ionic substances are melted or dissolved?
What does passing an electrical current through this do?
What happens in electrolysis
What is electrolysis used for?
Half equations
Electrolysis of Aluminium
Electrolysis of Aluminium Diagram
Electrolysis of brine
Predicting the Products of Electrolysis
