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Foundation Inorganic and Environmental Chemistry

  • Module code: CH4002
  • Year: 2018/9
  • Level: 4
  • Credits: 30
  • Pre-requisites: None
  • Co-requisites: None

Summary

This is a core module for chemistry degree courses. The module introduces various bonding models including the structure and bonding of inorganic solids. Trends in the periodic table are illustrated by coverage of the chemistry of Group 1, 13 and 17 elements. The module introduces you to atmospheric and aquatic pollution and goes on to cover the impact of pollutants on the environment.

Aims

  • To give students an understanding of the underlying principles of bonding in molecules and solids and of the chemistry of selected groups of the periodic table.
  • To equip students to examine the impact that chemistry has on the environment, and discuss potential solutions to environmental problems.
  • To develop skills in solving numerical problems related to to inorganic and environmental chemistry

Learning outcomes

On successful completion of the module, students will be able to:

  • Identify and explain the bonding, shape and reactivity of inorganic molecules, complexes and solids and the trends within the periodic table;
  • solve numerical problems related to inorganic and environmental chemistry;
  • describe the chemical and physical processes that occur after the release of chemicals into the environment;
  • discuss the environmental consequences of the release of chemical species and potential solutions to environmental pollution;
  • execute and report laboratory procedures according to given protocols.

Curriculum content

  • Introduction to atomic structure. H atom spectrum. Rydberg formula, Bohr atom, dual wave/particle nature of light and electrons.
  • Electronic structure, quantum numbers, orbitals, radial distribution functions, bond order and molecular orbital description of bonding in homo- and heteronuclear diatomic molecules.
  • Revision of the fundamental periodic properties of atoms: size, ionization potential, electronegativities.
  • Valence bond theory, shapes of molecules, VSEPR theory.
  • Structures of the solid elements, including hexagonal and cubic close-packed structures. Ionic solids. Calculation of lattice energies. Born-Haber cycles.
  • Chemistry of Hydrogen, Group 1, 13, 17 and 18 elements.
  • Introduction to coordination chemistry- naming compounds and identifying isomers.
  • Structure and chemical composition of the atmosphere, hydrosphere and lithosphere.
  • Chemical properties of water bodies and soils.
  • Origins, chemistry, decomposition and effects of different classes of organic pollutants (organochlorine compounds, dioxins, PCBs, dibenzofurans).
  • Sources, chemistry and effects of heavy metals and their compounds (lead, mercury, arsenic and cadmium).
  • Principal atmospheric pollutants, environmental consequences and methods of control.
  • Origins and the impact of acid rain, photochemical smog, enhanced greenhouse effect and stratospheric ozone destruction and global warming.

Teaching and learning strategy

The curriculum is divided into four main themes. One of these themes will have a few introductory lectures and then will be taught using a project based learning (PjBL) approach involving group work. Key elements of effective group work will be taught. Groups will research and present a report on a particular environmental problem. A seen exam question will be set covering the topics investigated.

The three other themes will be taught using lectures and workshops.  The workshops will supplement and illustrate the current lecture material in addition to providing the students with an opportunity to clarify any aspects of the topics being taught. Students will also be guided towards the use of appropriate Open-Learning Resources. The workshops will also be used to develop the students' skills in solving relevant numerical problems and tackling exam style problems. The workshops will provide opportunities for student to get feedback from staff on their progress. The practical sessions will provide guidance and experience of following written experimental procedures and help students consolidate their practical skills. The development of core practical skills will be supported by on-line videos and interactive simulations delivered through the University VLE.

Breakdown of Teaching and Learning Hours

Definitive UNISTATS Category Indicative Description Hours
Scheduled learning and teaching 37 one-hour lectures 15 one-hour workshops 6 two hour PjBL sessions 12 two and a half hour practical sessions 94
Guided independent study Recommended reading in advance of lectures l Review of lectures Pre-lab activities (videos and simulations) Independent study, Assessment preparation including formative assessment Research and group meetings for PjBL Exam revision 206
Total (number of credits x 10) 300

Assessment strategy

Practical performance will be assessed by evaluation of the quality of samples and data obtained, which are submitted in class at the end of the practical session, these components will contribute to a portfolio of in-class work. In class assessment of PjBL group work will also contribute to the portfolio. Typically the portfolio will consist of ten in-class submissions worth 2% each.  In addition, students will write two full laboratory reports. The first report will only be formatively assessed so that students get relevant feedback on their report writing to act as feed forward for their summatively assessed full laboratory report. The full laboratory report on an environmental chemistry experiment will include questions related to environmental pollution. An assignment, designed to prepare students for exam-type questions will be set as a formative assessment. Overall the summative coursework will be made up of one full laboratory report with additional questions and a portfolio of assessment of practical work (quality of samples and data submitted at the end of the class).

An end of module examination (3 hours) will test students' knowledge of inorganic and environmental chemistry and their ability to solve chemistry-related problems. The 3-hour exam will require students to do MCQs and longer questions. The exam paper will include a seen question section assessing the curriculum covered in the PjBL sessions.

Mapping of Learning Outcomes to Assessment Strategy (Indicative)

Learning Outcome Assessment Strategy
Identify and explain the bonding, shape and reactivity of inorganic molecules, complexes and solids. and the trends within the periodic table Formative assessment opportunities will be provided via problems set in workshops and a formative assignment. This will be summatively assessed by the examination paper
Solve numerical problems related to inorganic and environmental chemistry Formative assessment opportunities will be provided via problems set in workshops. This will be assessed by the examination paper and/or the coursework elements
Describe the chemical and physical processes that occur after the release of chemicals into the environment This will be assessed by a question in the full laboratory report coursework element and/or a section of the examination paper
Discuss the environmental consequences of the release of chemical species and potential solutions to environmental pollution This will be assessed by in-class PjBL group work, which contributes to the portfolio and a section of the examination paper
Execute and report laboratory procedures according to given protocols Practical work will be assessed by short laboratory forms and quality of data and samples produced. Students will also be asked to write two full laboratory reports; the first will be only formatively assessed and used to give feedback on how to improve report writing. The second full laboratory will be summatively assessed

Elements of Assessment

Description of Assessment Definitive UNISTATS Categories Percentage
Written exam Written exam 60%
Portfolio of in class submissions from practical classes and PjBL sessions) Coursework 20%
Full practical report Coursework 20%
Total (to equal 100%) 100%

Achieving a pass

It IS NOT a requirement that any element of assessment is passed separately in order to achieve an overall pass for the module.

Bibliography core texts

Chemistry: C. E. Housecroft & E. C. Constable, 4th edition, Prentice Hall, 2010.

Environmental Chemistry: Baird and Cann, 5th edition, Freeman, 2012.

Bibliography recommended reading

Chemistry : Burrows, Holman, Parsons, Pilling and Price,2nd t edition, Oxford, 2013.

Inorganic Chemistry: Weller, Overton, Rourke, and Armstrong, 6th edition, Oxford, 2014.

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