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SingaporeChemistryQuick questions
The Particulate Nature of Matter
Quick questions on States of matter and the particle model: N(A)-Level Chemistry
6short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is particles in a solid?Show answer
Because the particles are held in place by strong forces, a solid has a fixed shape and a fixed volume, and it cannot be compressed (squeezed smaller).
What is particles in a liquid?Show answer
In a liquid the particles are:
What are particles in a gas?Show answer
Because the particles are far apart and free to move, a gas fills its container completely (no fixed shape or volume) and can be compressed, because there is empty space to push the particles into.
What is q1?Show answer
State the arrangement and movement of the particles in a gas. [2 marks]
What is q2?Show answer
Explain, using the particle model, why a solid cannot be compressed. [2 marks]
What is q3?Show answer
A gas is put into a sealed syringe and the plunger is pushed in. Explain what happens to the gas particles. [2 marks]
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