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AS Chemistry – p-block and group 1 and 2
Unit 1.6
- Reviewing writing electron configurations
- Explaining patterns in 1st ionisation energies
- Reactions of groups 1 and 2 with oxygen/water and halogens
- Using solubility rules and pattern in solubility of group 2 hydroxides/sulphates/carbonates to predict formation of precipitates
- Writing ionic and balanced equations for precipitation reactions
- Predicting and writing symbol and ionic equations for the displacement reactions of halogens
- explaining the patterns in reactivity of group 1 / 2 and 7 by referring to electron configurations