Element J is in Group 1 and Period 2 of the periodic table. Element L is in Group 7 and Period 2. Which prediction about element J and element L is correct?
J and L both form positive ions, and they react together to form a compound
J forms a positive ion and L forms a negative ion, so they react together
J and L both form negative ions, and they react together to form a compound
J forms a negative ion and L forms a positive ion, so they react together
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.