Chemistry 9701/22 March 2023 | Cambridge AS Level Past Papers With Mark Scheme

1. Calculation of ionization energies, including the first and second ionization energies for various elements like hydrogen, lithium, and sulfur.
2. Definition and explanation of electronegativity, including the differences in electronegativity between oxygen and sulfur.
3. Reactions involving CO2, SO2, and their reactions with water and sodium hydroxide.
4. Identification and calculation of the molecular formula of a compound using ideal gas law data.
5. Structure and bonding in Group 2 metals, including their reactions with water and distinguishing reagents.
6. Analysis of reaction mechanisms and product formation, such as in the reaction between propene and CO/H2 to form aldehydes.