In a laboratory investigation, a student records that sample X is in the liquid state. Which description matches the particles in sample X?
The particles are close together, in a regular arrangement, and vibrate around fixed positions.
The particles are far apart, have no fixed arrangement, and move rapidly in random directions.
The particles are far apart, in an irregular arrangement, and move past one another.
The particles are close together, in an irregular arrangement, and move past one another.
84 exam-style questions on AQA GCSE Chemistry 2.2 How bonding and structure are related to the properties of substances, covering 2.2.1a The three states of matter, 2.2.1b Limitations of the simple particle model, 2.2.2 State symbols in chemical equations, 2.2.3 Properties of ionic compounds, 2.2.4 Properties of small molecules, 2.2.5 Polymers, 2.2.6 Giant covalent structures, 2.2.7 Properties of metals and alloys, and 2.2.8 Metals as conductors. Each one has a worked solution and a mark scheme showing where the marks go.