10 questions on……………….Structures and Bonding
1)What is the charge on an electron?
2)If an atom has 12 protons, how many electrons does it have?
3)What are the differences between ionic bonding and covalent bonding?
4)What is an isotope?
5)What is the difference between an Atom and an Ion?
6)Draw the electron arrangement for Chlorine
7)Explain why Magnesium forms 2+ ions
8)Explain why Ionic Compounds conduct electricity when molten or in solution
9)What are the similarities and differences between diamond and graphite
10)What are nanoparticles? And what are they used for?
10 questions on………………How Much?
1)What is Atomic number?
2)How do you calculate the number of neutrons from Mass number?
3)Calculate the formula Mass (Mr) of Magnesium Oxide (MgO)
4)Calculate the formula Mass (Mr) of Water (H2O)
5)Calculate the percentage of Oxygen in Sulphuric Acid (H2SO4)
6)Calculate the percentage of Chlorine in Magnesium Chloride (MgCl2)
7)What is the mass of 1 mole of Methane? CH4
8)What is the mass of 1 mole of Carbon Dioxide CO2
9)Give 2 reasons why the yield of a chemical reaction isn’t 100%
10)What is atom economy?
10 questions on……………..Rates of Reaction
1)What does Rate of Reaction mean?
2)How can you calculate Rate of a Reaction?
3)Describe how temperature can make a reaction go faster
4)How does a catalyst work?
5)What is activation energy?
6)Why are catalysts often used in powder form?
7)Describe the effect of increasing concentration on rate of reaction
8)What is the effect of increasing pressure on rate of reaction?
9)Why do industrial processes often use catalysts?
10)Sketch a graph to show what would happen to the rate if you do a reaction at 2 different concentrations.
10 questions on ………………………..Energy in Reactions
1)What does endothermic mean?
2)What does exothermic mean?
3)What is the symbol for a reversible reaction?
4)Describe what happens in the experiment where blue hydrated copper sulphate is heated up and then the reaction is reversed
5)Write the word equation for the haber process
6)Where does the nitrogen come from?
7)Where does the hydrogen come from?
8)What is the Ammonia used for?
9)What type of catalyst is used?
10)Why is the ammonia removed as soon as it is made?
10 questions on …………………………Electrolysis
1)What is the Anode?
2)What is the Cathode?
3)What does the symbol (aq) mean?
4)Where do the positive ions move to during electrolysis?
5)What is made from electrolysis of Sodium Chloride (brine)?
6)Describe the electrolysis of Impure Copper
7)What would be made at the anode and cathode during electrolysis of Copper Chloride?
8)Do Positive ions gain or lose electrons during electrolysis?
9)Do negative ions gain or lose electrons during electrolysis?
10)What is the difference between Oxidation and Reduction?
10 questions on ………………………..Acids and Alkalis
1)What range of pH numbers are acids?
2)What pH number is Neutral?
3)What type of ions make solutions Acidic?
4)What type of ions make solutions Alkaline?
5)What happens to those ions during neutralisation?
6)What type of Salts are made when Sulphuric Acid is used?
7)What type of Salts are made when Hydrochloric Acid is used?
8)Describe how to make an insoluble salt from an Acid and a Base
9)What is a precipitate?
10)How is precipitation used to treat sewage water?