Core & Ext. Metals: Uses
Slide 29 of 39
Paper 2 Practice Questions
–(c) Which one of the substances A to E has the lowest melting point?    [1]
–(d) (i) Which one of the substances A to E is a gas at room temperature? [1]
– (ii) Describe the arrangement and movement of the particles in a gas.
• Arrangement
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• Movement [2]
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–(e) Two of the substances in the table are compounds. Explain what is meant by the term compound. [2]