Chemistry 9701/23 May June 2022 | Cambridge AS Level Past Papers With Mark Scheme

1. Definition of first ionization energy and calculation of ionization energy trends using ionization energy data.
2. Identification of the group of the Periodic Table based on successive ionization energies and explanation of sulfur's ionization energy.
3. Comparison of the electronic structures of Al2+ and Na atoms to explain ionization energy differences.
4. Calculation of the number of copper atoms in a sample using its relative atomic mass and the determination of its properties based on structure and bonding.
5. Plotting of the melting point trend for Period 3 elements and understanding the bonding and structure of sodium chloride and phosphorus(V) chloride.
6. Suggestion of reactions involving tennessine and predictions about its properties and its similarity to other Group 17 elements.
7. Analysis of the thermal decomposition of ethers, including bond energy calculations and reaction mechanisms.
8. Identifying functional groups and performing structural isomerism analysis with organic compounds, as well as deducing molecular formulas and predicting reactivity in halogenoalkanes.