An atom of element M loses 2 electrons when it forms an ion. Which group of the periodic table is element M in?
Group 2, because an atom of M has 2 electrons in its outer shell
Group 2, because an atom of M has 2 occupied electron shells in it
Group 6, because an atom of M has 6 electrons in its outer shell
Group 6, because an atom of M has 6 occupied electron shells in it
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.