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.
| Description | |
| Atomic 01 | Sub-atomic particles. |
| Atomic 02 | The AZE system for describing the number of sub-atomic particles in specific isotopes. |
| Atomic 03 | Isotopic abundances and relative mass. |
External video links
The following links are by reputable authors, although not without the occasional mistake. The videos can be advanced using the fast-forward button in the menu at the bottom left. Alternatively, go to YouTube to choose the video you wish to review.
Structure and bonding videos by Richard Thornley
Note: The definition of Van der Waals' interactions does NOT cover hydrogen bonding (according to the IBO), it includes only London dispersion and permanent dipole-dipole forces.
These videos are designed for the UK A' level requirements, but contains very similar information to that needed for the IB.