Changes of State and Temperature

Chemistry: Edexcel IGCSE, topic 1.1.6

Predicting States - Mercury

Mercury has a melting point of -39°C, and a boiling point of 357°C. This means mercury is:

Solid below -39°c

Liquid between -39°c and 357°c

A gas over 357°c

Test yourself on Changes of State and Temperature

  • Which of these elements is a solid at room temperature (20°C)?

  • Which of these elements is a gas at room temperature (20°C)?

  • Sulfur's melting point is 115°C, and boiling point is 445°C. Which of these are correct?

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