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Reactivity means how easily substances undergo chemical reaction, and
'relative' means when compared to another substance.
In chapter 9.3, the concept of 'relative reactivity'; the chemical
behaviour when compared with other similar substances is discussed.
Syllabus reference
Reactivity 3.2.3 - The relative ease of oxidation and reduction of an element in a group can be predicted from its position in the periodic table.
- The reactions between metals and aqueous metal ions demonstrate the relative ease of oxidation of different metals.
- Predict the relative ease of oxidation of metals.
- Predict the relative ease of reduction of halogens.
- Interpret data regarding metal and metal ion reactions.
Guidance
- The relative reactivity of metals observed in metal/ metal ion displacement reactions does not need to be learned; appropriate data will be supplied in examination questions.
Tools and links
- Structure 3.1 - Why does metal reactivity increase, and non-metal reactivity decrease, down the main groups of the periodic table?
- Tool 1, Inquiry 2 - What observations can be made when metals are mixed with aqueous metal ions, and solutions of halogens are mixed with aqueous halide ions?
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