4.1 Atomic structure and the periodic table

Practice questions on Atomic structure and the periodic table

• Describe four properties of transition metals that make them different from the alkali met… (4 marks, Describe)
• Copper has two isotopes: copper-63 and copper-65. The relative atomic mass of copper is 63… (4 marks, Explain)
• Boron has two isotopes, boron-10 and boron-11. The relative atomic mass of boron is 10.8. … (4 marks, Explain)
• Describe what is meant by the term 'isotope' and explain why two isotopes of the same elem… (4 marks, Describe)
• Chlorine has two isotopes: chlorine-35 and chlorine-37. Explain why the relative atomic ma… (4 marks, Explain)
• Magnesium has three isotopes: magnesium-24, magnesium-25 and magnesium-26. The relative at… (4 marks, Explain)
• Explain why transition metals are often used as catalysts in industrial processes. Give tw… (4 marks, Explain)
• Copper and iron are both transition metals. Give four properties of transition metals that… (4 marks, Give)