Chemistry unit 2 AQA GCSE

What are compounds?

Which two processes may chemical bonding involve?

What does transferring electrons involve?

What do ions have the same electronic structure as?

What do alkali metals (group 1) react with to form ionic compounds?

What do halogens (group 7) react with to form ionic compounds?

What charge do halide ions have?

What is an ionic compound?

How are ionic compounds held together?

When atoms share pairs of electrons which type of bonding is it?

What are giant covalent structures known as?

What do metals consist of?

What happens to the electrons in the highest energy shell of metal atoms?

What are there electrostatic forces between?

What do metals conduct and why?

Why can metals be bent and shaped?

What are alloys?

What do the different sized atoms do to alloys?

What can shape memory alloys do?

What does nano science refer to?

Why may nano science lead to the development of new catalysts or computers?

What are thermosetting polymers?

What are thermosoftening polymers?

What do the properties of polymers depend on?

Hats the difference between high and low density polymers?

What are substances that consist of simple molecules?

Why don't simple molecules conduct electricity?

What are the weak forces between simple molecules called?

When melted what can ionic compounds do?

In diamond how many carbons are each carbon covalent lay bonded with?

In graphite how many carbons is each carbon covalent key bonded with?

Why is graphite soft and slippery?

Why can graphite conduct electricity?

What are fullerenes?

Want are fullerenes used for?

What can atoms that share electrons form?

What do macromolecules structures have?

What structure do ionic compounds have?

What are isotopes?

How can artificial colours be detected?

What is a mass spectrometer?

3 reasons why the predicted amount if product was not formed?

What does gas chromatography do?

when do chemical reactions occur?

What are five things that increase the rate of the reaction?

What happens when chemical reactions occur?

What does an exothermic reaction do?

What does an endothermic reaction do?

If a reversible reaction is exothermic in the forward direction what is it in the backwards direction?

What are two examples of bases?

Salt solutions can be crystallised to produce what?

Which ions make a solution acidic?

Which ions make a solution alkaline?

Ammonium dissolves in solution to form what type of solution?

What can ammonium salts be used for?

What three things can acids be reacted with to make salts?

What two things does the type of salt produced depend on?

What is another way salts can be formed?

During electrolysis what happens to positive ions?

What two things can electrolysis be used for?

What is an electrolyte?

what does the product formed depend on in electrolysis?

What is aluminium manufactured from?

Where does aluminium form in electrolysis?

What is the positive electrode made from in aluminium manufacturing?

What does the electrolysis of sodium chloride solution produce?

What can sodium hydroxide be used for?

What is chlorine from electrolysis of sodium chloride solution used for?