Arrangement of elements

What the syllabus asks of you

• Describe the Periodic Table as an arrangement of elements in periods and groups and in order of increasing proton number / atomic number
• Describe the change from metallic to non‑metallic character across a period
• Describe the relationship between group number and the charge of the ions formed from elements in that group
• Explain similarities in the chemical properties of elements in the same group of the Periodic Table in terms of their electronic configuration
• Explain how the position of an element in 6 Identify trends in groups, given information the Periodic Table can be used to predict its about the elements properties