Ca Trends and Reactions of Group Two Elements. Be, Mg, Ca, Sr, Ba, Ra. 0.0 / 5 ? ChemistryReactionsThe Periodic TableASOCR Created by: OsbornefCreated on: 05-02-15 13:29 What ions do Group 2 Elements form? 2+ ions 1 of 19 What is the trend in Reactivity for Group 2? Reactivity Increases down the group 2 of 19 What is the most reactive element in Group 2? Barium 3 of 19 What colour are group 2 compounds? They are colourless 4 of 19 What are the densities of Group 2 metals like? Light metals with low densities 5 of 19 What is the boiling point of all Group 2 Metals like? Reasonably High Boiling points 6 of 19 In redox reactions Group 2 elements are... Oxidised 7 of 19 What is the trend in Ionisation energy for Group 2? Decreases down the group 8 of 19 Why does the Ionisation energy support the trend for Group 2? The ionisation energy decreases, so they lose electrons more easily 9 of 19 What is produced when a Group 2 element reacts with Oxygen? A Group 2 Oxide (ie: MgO) 10 of 19 What is produced when a Group 2 element reacts with Water? Group 2 Hydroxides and Hydrogen 11 of 19 As you go down Group 2 the reaction with water becomes... More vigorous 12 of 19 Group 2 Oxides are... Bases 13 of 19 Group 2 Hydroxides are... Bases 14 of 19 Group 2 Hydroxides react with water to... Form a solution of a metal hydroxide 15 of 19 The trend in solubility for Group 2 Hydroxides is that... Solubility increases going down the group 16 of 19 The trend in Alkalinity for Group 2 Hydroxides is that... Alkalinity increases going down the group 17 of 19 What is the trend in Thermal Decomposition for Group 2 Carbonates? They become more difficult to Decompose 18 of 19 What is the bonding in Group 2 elements? Metallic 19 of 19
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