GCSE Chemistry unit 3 "the periodic table" some questions about the periodic table and the things in it! 3.0 / 5 based on 1 rating ? ChemistryThe Periodic TableGCSEAll boards Created by: AmyCreated on: 12-04-11 12:18 what did Dmitri Mendeleev do that made his periodic table more acceptable? left gaps that fitted and helped discover new elements 1 of 7 As you go DOWN group seven the atoms get.... less reactive and the melting and boiling point increases 2 of 7 if alkalis are proton acceptors what are acids? proton donors 3 of 7 how does potassium react when added to water? fizzes very vigorously around the surface and can even ignite 4 of 7 when were electrons, protons and neutrons discovered? 19th century 5 of 7 As you go DOWN group one the atoms get.... bigger, denser and more reactive 6 of 7 Does this reaction from the group one metals form an alkaline or acidic solution? Alkaline 7 of 7
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