AQA Additional Science/Chemistry C2 (F)
Route
2
Route
1
Student Checklist
C2.1.1 Describe how ions are formed and represent them using square brackets
C2.1
C2.1.1 Explain the process of ionic bonding
C2.1.1 Describe covalent bonding in simple molecules H 2, Cl2, HCl, H2O, NH3 & CH5
C2.2.1 Recall that all simple molecules have low melting and boiling points
C2.2.1 Explain why simple molecules do not conduct electricity
Unit 5 Additional Science 1
C2.2.2 Explain the structure and properties of ionic compounds (NaCl)
C2.2.3 Describe covalent bonding in giant structures diamond, graphite & silicon dioxide
C2.2
C2.2.4 Describe the structure and properties of metals
C2.2.4 Describe why alloys makes are harder than pure metals
C2.2.4 Describe what a shape memory alloy is and give an example
C2.2.5 Explain that the properties of polymer depend on what they are made of
C2.2.5 Compare the structures and properties of thermosetting and thermosoftening polymers
C2.2.6 Describe what nanoscience is and how this can lead to new developments
C2.3.1 Recall what atomic structure is and describe what isotopes are
C2.3.1 Calculate the RMM (MR) of different compounds & recall what a Mole is
C2.3.2 Explain why instrumental methods of chemical analysis are useful
C2.3
C2.3.2 Describe how paper chromatography can be useful
C2.3.2 Describe how gas chromatography and mass spectrometry work
C2.3.3 Explain how the % of an element in a compound can be calculated
C2.3.3 Explain what percentage yield is and explain the limitations of calculating it
Uni
t6
Ad
diti
on
al
Sci
enc
e2
C2.3.3 Describe what reversible reactions are
C2.4
C2.4.1 describe how to measure the rate of reaction using a simple equation
Learnt
Revised
C2.4.1 Explain what collision theory is and how it affects reaction rate
C2.4.1 Explain how temp, pressure, concentration, surface area & catalysts affect the reaction rate
C2.5.1 Explain what exothermic reactions are and state some examples.
C2.5
C2.5.1 Explain what reversible reactions are and state some examples.
C2.5.1 Explain what endothermic reactions are and state some examples.
C2.6.1 Recall what the state symbols are in chemical equations
C2.6.1 Describe how soluble salts are formed from reacting acids with metals, insoluble bases & alkalis
C2.6.1 Describe how insoluble salts can be made and how this can be used to remove unwanted ions
C2.6
C2.6.2 Recall the difference between alkalis and bases
C2.6.2 Describe how to use the names of the reactants to name different slats produced
C2.6.2 Describe how ammonium salts are produced and why they are important
C2.6.2 Explain how H+ & OH- ions determine the pH of a solution and describe what the pH scale is
C2.6.2 Explain how neutralisation reactions can be described in terms of reacting H + & OH- ions
C2.7.1 Explain the principles of electrolysis
C2.7
C2.7.1 Describe the events at the electrodes (half equations)
C2.7.1 Describe the electrolysis of aluminium
C2.7.1 Describe the electrolysis of sodium chloride