Week 20 Y12 IB Chemistry SL

•Discuss explanations for the trends in reactivity for: Group 1 with water and Group 17 with halide ions.

•Ensure your explanations include the following:

○Description of general trend,

○a quantitative property that supports that trend,

○What is occurring in the reaction that connects to that quantitative property,

○Discussion of the strength of the interaction between the nucleus and outer valence shell.