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Discovering chemistry

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Discovering chemistry provided by OpenLearn is a comprehensive online course, which lasts for 24 hours worth of material. Upon completion of the course, you can receive an e-certificate from OpenLearn. The course is taught in Englishand is Free Certificate. Visit the course page at OpenLearn for detailed price information.

The Open University via OpenLearn
24 hours worth of material
Self Paced
Overview

  • Chemistry lies at the centre of our modern life, playing a part in areas as diverse as the development of new drugs and materials, analysing our environment through to more mundane activities such ...

Syllabus

    • Introduction and guidance
    • Introduction and guidance
    • What is a badged course?
    • Acknowledgements
    • Session1Session 1: Atoms – the building blocks of matter
    • Introduction
    • Learning outcomes
    • 1 Atoms
    • 1.1 Chemical elements
    • 1.2 Introducing the neutron
    • 1.3 Isotopes
    • 1.4 Relative atomic mass
    • 1.5 Ions
    • 1.5.1 Using ions to explore atomic structure
    • 1.6 Models of the atom
    • 1.7 Electronic structure of an atom
    • 1.7.1 Energy levels in atoms
    • 1.8 Electronic configurations of atoms
    • 1.8.1 Electronic configurations of multi-electron atoms.
    • 1.9 Exciting electrons
    • 1.10 More about atomic orbitals
    • 1.10.1 Filling atomic orbitals with electrons
    • 1.10.2 Spinning electrons
    • 1.11. Putting electrons in boxes
    • 2 The periodic table
    • 2.1 Chemical periodicity
    • 2.1.1 The alkali metals and the noble gases.
    • 2.2 Allotropes
    • 3 Electronic configurations revisited
    • 4 This session’s quiz
    • Summary of session 1
    • Acknowledgements
    • Session2Session 2: Chemical compounds
    • Introduction
    • Learning outcomes
    • 1 From elements to compounds
    • 1.1 Introducing chemical compounds
    • 1.2 Molecular substances
    • 2 Molecular and empirical formulas
    • 2.1 Some further examples of molecular substances
    • 2.2 Non-molecular substances
    • 2.3 Comparing ‘dry ice’ with sand
    • 2.4 Extended structures
    • 2.5 Binding forces in molecular and non-molecular substances
    • 3 Another look at the language of chemistry
    • 3.1 Interpreting chemical formulas
    • 3.2 Valency – the combining power of an atom
    • 3.3 Valency and predicting formulas in ionic compounds
    • 4 This session’s quiz
    • Summary of session 2
    • Acknowledgements
    • Session3Session 3: Chemical bonding
    • Introduction
    • Learning outcomes
    • 1 Fundamental ideas behind the chemical bond
    • 2 Lewis structures – a starting point
    • 2.1 Chlorine (Cl2)
    • 2.2 Sodium chloride
    • 2.3 Ionic and covalent compounds – a comparison of properties
    • 2.4 Sketching the Lewis structures for Cl2 and NaCl
    • 2.5 The hydrogen molecule
    • 2.6 Chemical bonding – a common theme
    • 3 Electronegativity
    • 3.1 Electronegativity and the periodic table
    • 3.2 Electronegativity and the chemical bond
    • 4 Bonding in metals
    • 4.1 Alloys
    • 5 Cataloguing chemical substances
    • 6 This session’s quiz
    • Summary of session 3
    • Acknowledgements
    • Session4Session 4: More about chemical bonding
    • Introduction
    • Learning outcomes
    • 1 More about chemical bonding
    • 1.1 Valency and the chemical bond
    • 1.2 Lewis structures – the next step
    • 1.3 Multiple bonds
    • 1.4 Linking Lewis structures with valency
    • 1.5 Lewis structures of ions
    • 1.6 Noble gas configurations under stress
    • 1.7 Dative bonds
    • 1.8 Some more examples of dative bonding
    • 2 Resonance structures
    • 2.1 Bonding in benzene
    • 3 When Lewis structures don’t work
    • 4 This session’s quiz
    • Summary of session 4
    • Acknowledgements
    • Session5Session 5: Chemical reactions
    • Introduction
    • Learning outcomes
    • 1 Chemical reactions
    • 1.1 Chemical reactions – a first-hand experience
    • 2 Chemical equations
    • 2.1 Balancing the equation
    • 2.2 Some further examples of chemical equations
    • 3 Gunpowder – the explosive reaction of charcoal, sulfur and potassium nitrate
    • 4 Chemical equations involving ions
    • 5 Reactivity of molecules
    • 5.1 Functional groups and reactivity
    • 6 The reaction of alcohols with nitric acid – more explosives
    • 7 A closer look at functional groups
    • 8 This session’s quiz
    • Summary of session 5
    • Acknowledgements
    • Session6Session 6: Exploring the shapes of molecules
    • Introduction
    • Learning outcomes
    • 1 Molecular shape affects molecular reactivity
    • 1.1 Reactivity of R-Br
    • 2 Steric effects in enzymes
    • 3 The shapes of some molecules
    • 3.1 The shapes of some simple fluorides.
    • 3.2 Explaining molecular geometry?
    • 3.3 The geometry of the water and ammonia molecules
    • 4 This session’s quiz
    • Summary of session 6
    • Acknowledgements
    • Session7Session 7: Counting atoms and molecules
    • Introduction
    • Learning outcomes
    • 1 Units of measurement
    • 1.1 Units of volume
    • 1.2 Units of mass
    • 2 Weighing and measuring volume in the laboratory
    • 2.1 Weighing solids and liquids in the laboratory
    • 2.2 Measuring volumes of liquids in the laboratory
    • 2.2.1 Where an approximate volume is required
    • 2.2.2 Where an accurate volume is required
    • 3 Introducing the mole
    • 3.1 Molar mass
    • 3.2 Moles and chemical equations
    • 3.3 Working with solutions: concentration
    • 3.4 Expressing concentration in moles
    • 4 How small is an atom?
    • 5 This session’s quiz
    • Summary of session 7
    • Acknowledgements
    • Session8Session 8. Chemical reactions and why they happen
    • Introduction
    • Learning outcomes
    • 1 Petrol engine emissions
    • 2 Chemical equilibrium
    • 2.1 Is the equilibrium position unfavourable?
    • 2.2 The equilibrium constant
    • 2.3 Is the rate of reaction very slow?
    • 2.4 The three-way catalytic converter
    • 3 Catalysts in action
    • 4 Equilibrium positions and rates of reaction – an overview
    • 5 This session’s quiz
    • Summary of session 8
    • Take the next step
    • Tell us what you think
    • Acknowledgements

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