Combined Science: Trilogy 8464: C1.Atomic Structure and the Periodic Table Topical Past Paper Questions

Potassium is in Group 1 of the periodic table. 1 What name is given to Group 1 elements? Tick (✓) one box. Alkali metals [1 mark] Halogens Noble gases ## 2 A potassium atom is very small What is the radius of a potassium atom? Tick (✓) one box. [1 mark] 0.2 cm 0.2 mm 0.2 nm 3 Wha…

Group 7 elements are known as the halogens. All atoms of Group 7 elements contain protons, neutrons and electrons. 1 What is the order of discovery of the proton, neutron and electron? [1 mark] Tick (✓) one box. 2 Table 1 shows the mass of a proton and of an electron. Table 1 Cal…

This question is about Group 7 elements. 1 What are the Group 7 elements known as? [1 mark] 2 Why do Group 7 elements react in similar ways? [1 mark] 3 Figure 3 shows the structure of a molecule of chlorine oxide. Figure 3 What is the molecular formula of the chlorine oxide molec…