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GCSE Chemistry › C2.2 Structure and properties of substances
Free AQA GCSE Chemistry practice questions on Structure and properties of substances. Sample questions below with detailed mark schemes — sign up to practise the full set with spaced repetition.
A materials scientist is investigating different substances used in smartphone screens. She compares diamond (used in protective coatings), graphite (used in conductive layers), and silicon dioxide (used in glass). Each material has very different properties despite being made of carbon or oxygen and silicon atoms.
A materials scientist is investigating two substances for use in aircraft components. Substance A is diamond (a form of carbon), and Substance B is silicon dioxide (SiO₂). Both materials are extremely hard and have high melting points, making them suitable for high-temperature applications. The scientist needs to understand the relationship between their atomic structures and their properties.
A materials scientist is investigating three substances for use in aerospace manufacturing: diamond, silicon dioxide (quartz), and sodium chloride. Each material has different structural properties that make them suitable for different applications. The scientist needs to understand how the arrangement of particles in each substance relates to its physical properties.
A student is investigating different materials used in kitchen utensils. They examine a wooden spoon, an aluminium foil container, and a glass bowl. Each material has different properties that make it suitable for different uses.
A student is investigating the properties of ionic compounds in a school laboratory. They are calculating the relative formula mass of magnesium oxide (MgO) to help them prepare a solution of known concentration. The relative atomic masses are: Mg = 24, O = 16.