Ionic Compounds
A* Describe and explain the bonding and properties of ionic compounds in relation to the ionic lattice.
A Explain in what state ionic compounds can conduct electricity and why
B Determine the formula of an ionic compound (Sodium Oxide) and explain why ionic compounds have
high melting points.
C Describe how the physical state of an ionic compound can affect its
conductivity
D Draw a labelled diagram of an ionic compound ( NaCl), showing the
correct structure.
E Give examples of ionic compounds, describing basic physical properties.
Covalent Compounds
A* Explain the physical properties of diamond and graphite using diagrams.
A Describe and explain the properties of covalent compounds in relation to their intermolecular
forces.
B Explain the structure and uses of fullerenes
C State the physical properties of diamond and graphite explain why simple molecular substances
do not conduct electricity.
D State the physical properties of simple molecular substances.
E Give examples of simple molecular substances.
Calculating Mass, Moles and Yield
A* Work out empirical and molecular formulas.
A Calculate the yield for a reaction.
B Balance equations
B Calculate reaction yields explain why reactions do not give a 100% yield.
B Calculate the mass of reactants / products from a given mass and balanced chemical reactions.
B Explain what an empirical formula is.
C Recall what a mole is.
C Use the formula mass = Mr × moles for calculating one unknown
Analysing Substances
A* Identify molecular ion peak in a mass spectrogram and explain how a mass spectrometer can give
the relative formula mass of each of the substances separated
A Interpret a gas chromatogram
B Describe how gas chromatography is used to analyse substances
C State the advantages of instrumental method for analyzing chemical
D state the use of paper chromatography