Assessment tests
The following tests can be set for a given number of questions and the results posted to the address of choice. An analysis of incorrect responses is included. If there is no internet connection the test is fully functional, but cannot send responses by email.
link | description |
Kinetics HL | Multiple choice questions taken from the kinetics topic. |
Kinetics 01 | Rates of reaction |
Kinetics 03 | Reaction order |
Kinetics 04 | Half-life |
Teaching resources | |
Everything | All things are pure substances or mixtures |
External video links
The following videos have been prepared for the IB Chemistry syllabus (first exams May 2025), by Richard Thornley, Mike Sugiyama Jones and others.

Metallic structure and bonding (MSJ)

Factors affecting metallic bonding (MSJ)

Formation of ions from non-metallic elements

Formation of ions from metallic elements

Formation of ions by electron transfer

Ionic bonding

Naming compounds using oxidation states

Polyatomic ions

The ionic lattice

Factors affecting lattice enthalpy (MSJ)

Conductivity of ionic compounds

Volatility and solubility of ionic compounds

Factors affecting the lattice enthalpy

Radical atoms, molecules and ions

Lattice enthalpy explained