Element X is in Group 1 and Period 5 of the periodic table. Element Y is in Group 1 and Period 3. Which prediction about element X is correct?
X reacts more vigorously with water than Y, and forms a hydroxide
X reacts more vigorously with water than Y, and forms an oxide
X reacts less vigorously with water than Y, and forms a hydroxide
X reacts less vigorously with water than Y, and forms an oxide
40 exam-style questions on AQA GCSE Chemistry 1.2 The periodic table, covering 1.2.1 The periodic table, 1.2.2 Development of the periodic table, 1.2.3 Metals and non-metals, 1.2.4 Group 0, 1.2.5 Group 1, and 1.2.6 Group 7. Each one has a worked solution and a mark scheme showing where the marks go.