Group 2

Group 2 Exam Questions and Answers 2023 Graded A Use the Periodic Table to deduce the full electron configuration of calcium. 1s2 2s2 2p6 3s2 3p6 4s2 Write an ionic equation, with state symbols, to show the reaction of calcium with an excess of water. Ca(s)+ 2H2O(l) → Ca2+(aq) + 2OH-(aq) + H2(g) State the role of water in the reaction with calcium. Oxidising agent Write an equation to show the process that occurs when the first ionisation energy of calcium is measured. Ca(g) → Ca+(...

Group 2 Exam Questions and Answers 2023 Graded A Use the Periodic Table to deduce the full electron configuration of calcium. 1s2 2s2 2p6 3s2 3p6 4s2 Write an ionic equation, with state symbols, to show the reaction of calcium with an excess of water. Ca(s)+ 2H2O(l) → Ca2+(aq) + 2OH-(aq) + H2(g) State the role of water in the reaction with calcium. Oxidising agent Write an equation to show the process that occurs when the first ionisation energy of calcium is measured. Ca(g) → Ca+(...

Group 2 Exam Questions and Answers 2023 Graded A Use the Periodic Table to deduce the full electron configuration of calcium. 1s2 2s2 2p6 3s2 3p6 4s2 Write an ionic equation, with state symbols, to show the reaction of calcium with an excess of water. Ca(s)+ 2H2O(l) → Ca2+(aq) + 2OH-(aq) + H2(g) State the role of water in the reaction with calcium. Oxidising agent Write an equation to show the process that occurs when the first ionisation energy of calcium is measured. Ca(g) → Ca+(...