group 1 the alkali metals 0.0 / 5 ? ChemistryChemical patterns and reactivity seriesGCSEAQA Created by: EmilyCreated on: 28-04-13 13:12 As you go down group 1, the metals become... more reactive 1 of 6 alkali metals' density is low 2 of 6 one of the alkali metals is sodium 3 of 6 how many electrons in their outer shell? one 4 of 6 they form ionic compounds with non metals 5 of 6 they react with water to produce hydrogen 6 of 6
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