The halogens

IB Chemistry: The halogens

The chemical and physical properties of the halogens appear under Topic 3.2 Periodic trends on the core. Although the physical properties such as atomic and ionic radii are often covered with the remainder of topic 3 it can make sense to leave the study of their chemical properties until students have covered oxidation and reduction.If your students do not understand the concept of redox then much of the chemistry of...

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