Chemistry › Section R · Metals, metalloids, and nonmetals › Topic R.1
Periodicity of the elements
An element's place in the periodic table tells you a great deal about how it will behave before you ever see a sample. This topic puts that idea to work on the representative metals, from soft, explosive sodium to liquid mercury and heavy lead.
In this topic
- Reading chemistry from position
- Reactive, yet long-lasting
- Group 1: the alkali metals
- Group 2: the alkaline earth metals
- Worked example: sodium in water
- Group 12: zinc, cadmium and mercury
- Group 13: aluminium and its relatives
- The inert pair effect
- Worked example: predicting strontium's chemistry
- Common mistakes to avoid
- Key takeaways
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