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Cambridge IGCSE chemistry
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States of matterStates of matter3 Topics
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Changing state4 Topics
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Diffusion4 Topics
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Atoms, elements and compoundsElements, compounds and mixtures
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Atomic structure and the Periodic Table
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Isotopes
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Ions and ionic bonds
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Simple molecules and covalent bonds
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Giant covalent structures
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Metallic bonding
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StoichiometryFormulas of compounds3 Topics|1 Quiz
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Chemical equations5 Topics
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Relative atomic and molecular mass2 Topics
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Moles2 Topics
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Calculating masses in reactions3 Topics
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Percentage yield and percentage purity2 Topics
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Empirical and molecular formulae2 Topics
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Moles and concentration2 Topics
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Calculating gas volumes
Quizzes
Lesson 2, Topic 2
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Boiling and evaporation
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Boiling
Boiling and evaporation are both changes of state that involve a liquid changing to a gas
Boiling happens when a liquid is heated to its boiling point


Evaporation
Evaporation can happen at temperatures lower than the liquids boiling point
More energetic particles that are near the surface of the liquid can escape and become gas particles

