Group 2 0.0 / 5 ? ChemistryReactionsASAQA Created by: VoltaceCreated on: 30-05-14 20:22 Tell me what you know about the different trends, reactivity etc?? Reactivity Increases, Atomic Radius Increases, Ionization energy= decreases Melting Point = Decreases, metallic ions bigger but same electrons, blip at Mg (crystal structure changes) 1 of 5 Reactions with water? Metal hydroxide + halogen is oxidisedHydrogen formed,reaction rate increases down group 2 of 5 What are Barium Meals? Barium sulfate opaque, coats tissues, can be seen with xray 3 of 5 Tell me about the solubility down the group of compounds? with OH = solubility increase S04 = Decreases (barium sulfate insoluble) 4 of 5 Test for sulfate ions? Acified barium chloride ( this because to remove sulfites + carbonates) + solution with sulfate ions (white barium sulfate formed) 5 of 5
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