Chemistry 9701/23 Oct Nov 2022 | Cambridge AS Level Past Papers With Mark Scheme

1. Determining the isotope composition of gallium and calculating its percentage abundance.
2. Explaining the chemical properties of potassium isotopes and their ionization energies.
3. Drawing the bonding in magnesium metal and identifying reactions involving magnesium and its compounds.
4. Testing and observing the reactions of magnesium chloride with different reagents and conditions.
5. Understanding the structure of chlorides from Period 3 elements and their reactions.
6. Analyzing the formation of lactones from alcohols and carboxylic acids, including mass spectrometry and infrared spectroscopy analysis.