GCSE Chemistry - States of Matter & Changing State #21

Cognito・2 minutes read

Solids have strong forces of attraction with fixed particles, heating leads to melting into liquids. Liquids with weak forces of attraction have particles moving randomly, heating turns them into gases.

Insights

  • Solids have particles with strong forces of attraction, leading to a fixed lattice structure, while liquids exhibit weaker forces that allow particles to move but maintain volume.
  • Heating solids and liquids weakens forces of attraction, transitioning solids to liquids and liquids to gases as particles gain energy and move more freely.

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Recent questions

  • What are the three states of matter?

    Solid, liquid, gas

  • How does heating a solid affect its particles?

    Particles vibrate more, weakening forces

  • What happens to a liquid when it is heated?

    Particles move faster, weakening forces

  • How do particles behave in a gas?

    Move freely and fill any container

  • What determines the state of matter?

    Forces of attraction between particles

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Summary

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States of Matter: Solid, Liquid, Gas

  • The three states of matter are solid, liquid, and gas, with particles in solids having strong forces of attraction, maintaining a fixed position in a lattice structure. Heating a solid allows particles to vibrate more, weakening forces and leading to melting into a liquid at the melting point.
  • Liquids have weak forces of attraction, allowing particles to move around randomly but stick together, maintaining a definite volume. Heating a liquid causes particles to move faster, weakening forces further until reaching the boiling point, turning the liquid into a gas where particles move freely and fill any container.
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