Chapter 2 - The periodic table 0.0 / 5 ? ChemistryThe Periodic TableGCSEAQA Created by: Jonathan SpellerCreated on: 29-03-17 10:52 The periodic table A arraignment of elements in order of their atomic numbers, forming groups and periods. 1 of 5 Alkali metal Elements in Group 1 of the periodic table. 2 of 5 Universal indicator A mixture of indicators that can change through a range of colours to show how strongly acidic or alkaline liquids and solutions are. 3 of 5 Halogens The elements found in Group 7 of the periodic table. 4 of 5 Reactivity series A list of elements in order of their reactivity 5 of 5
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