The noble gases do not easily form molecules. Which statement explains why?
Their atoms already have a stable arrangement of electrons
Their atoms have more neutrons than protons inside the nucleus
Their atoms are too large to be able to get close to each other
Their atoms have no electrons available in the outer shell at all
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.