CAIE IGCSE Chemistry 9.1 Properties of metals Question Bank
Practise comparing metal and non-metal properties, then applying metal reactions with acids, water, steam and oxygen.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Practise comparing metal and non-metal properties, then applying metal reactions with acids, water, steam and oxygen.
Iron is a transition element. Potassium is a Group I element.
Transition elements and Group I elements have some similar physical properties.
They can both:
- be hammered into a shape
- conduct electricity
- be stretched into wires.
Name the term used to describe the ability of elements to be hammered into a shape.
malleability / malleable
Chemical properties of some Group I elements are shown in the table.

Write the chemical equation for the reaction of sodium with oxygen.
4Na+O2→2Na2ONa2O (1) correct equation (1)