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4. States of matter

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2 topics · 6 learning objectives

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  1. 4.1 Gases: ideal, real and pV = nRT

    1. 4.1.1Origin of pressure in a gas

      • Explain the origin of pressure in a gas in terms of collisions between gas molecules and the wall of the container

    2. 4.1.2Ideal gases have zero particle volume and no

      • Understand: ideal gases have zero particle volume and no intermolecular forces of attraction

    3. 4.1.3Ideal gas equation pV = nRT

      • State/use: the ideal gas equation pV = nRT in calculations, including in the determination of Mr

  2. 4.2 Bonding and structure

    1. 4.2.1Describe, in simple terms, the lattice

      • Describe, in simple terms, the lattice structure of a crystalline solid which is: - (a) giant ionic, including sodium chloride and magnesium oxide - (b) simple molecular, including iodine, buckminsterfullerene C60 and ice - (c) giant molecular, including silicon( IV) oxide, graphite and diamond - (d) giant metallic, including copper

    2. 4.2.2Describe, interpret and predict the effect

      • Describe, interpret and predict the effect of different types of structure and bonding on the physical properties of substances, including melting/boiling point, conductivity and solubility

    3. 4.2.3The type of structure and bonding present

      • Deduce the type of structure and bonding present in a substance from given information