PERIODICITY AND REACTIVITY OF THE ELEMENTS - 2021/2
Module code: CHE1042
In light of the Covid-19 pandemic, and in a departure from previous academic years and previously published information, the University has had to change the delivery (and in some cases the content) of its programmes, together with certain University services and facilities for the academic year 2020/21.
These changes include the implementation of a hybrid teaching approach during 2020/21. Detailed information on all changes is available at: https://www.surrey.ac.uk/coronavirus/course-changes. This webpage sets out information relating to general University changes, and will also direct you to consider additional specific information relating to your chosen programme.
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The module provides and introduction to aspects of Inorganic Chemistry. The lecture based theory is supported by laboratory classes that explore practical skills, and by tutorials that consolidate learning through problem sets.
The starting point is basic quantum chemistry which leads to the concepts of orbitals and their electron occupation. This leads to the structure of the periodic table and periodic trends in the physical properties and chemical reactivity of the elements. The discussion progresses onto the fundamental structure and reactivity of main group and d-block elements. The chemical information is underpinned by a review and extension of bonding theories, culminating in molecular orbital theory as applied to the homonuclear diatomics H2 to F2.
RIDDLESTONE Ian (Chemistry)
Number of Credits: 15
ECTS Credits: 7.5
Framework: FHEQ Level 4
JACs code: F320
Module cap (Maximum number of students): N/A
Prerequisites / Co-requisites
Indicative content includes:
• Origin and shape of s, p, d and f orbitals. Rules for orbital occupation, leading to atomic electron configurations: Aufbau principle, Hund’s rule of maximum multiplicity and Pauli exclusion principle. Relationship to the periodic table.
• Brief review of trends in ionisation energies, electron affinity, electronegativity. Trends and definition of atomic, ionic, covalent and van der Waals radii. Oxidation states and redox reactions.
• Introduction to chemistry of s- and p-block elements and compounds. Link to periodicity.
• Bonding models including ‘valence shell expansion’, ionic, covalent and metallic bonding. Lewis structures and resonance, VSEPR theory, the concept of hybridisation. Lattice energy leading to Born-Haber cycles, Born-Lande equation. Madelung constant and Kapustinski equation. Radius ratio rules.
• Introduction to molecular orbital theory, construction of molecular orbital diagrams, sigma / pi / u / g / antibonding * nomenclature in relation to symmetry. Molecular orbital diagrams of homodiatomics from H2 to F2 and corresponding ions.
• Introduction to chemistry of the d-block elements and complexes. Trends and variation in oxidation state, nomenclature, structure and isomerism. Crystal field theory.
• Laboratory experiments on the synthesis, characterisation and determination of purity of p-block and d-block compounds. Gravimetric and thermal analysis, different methods of titration, crystallisation, reflux. Use of FTIR, uv/vis spectroscopies.
|Assessment type||Unit of assessment||Weighting|
|Examination||1.5 hour examination||70|
|Practical based assessment||Lab portfolio Summative Expt A||15|
|Practical based assessment||Lab portfolio Summative Expt B||15|
Failure in the laboratory may require re-assessment through a defined practical examination
The assessment strategy is designed to provide students with the opportunity to demonstrate understanding of fundamental aspects of periodicity, bonding, reactivity and structure of the main group and d-block elements and compounds.
Thus, the summative assessment for this module consists of:
• 1.5 hour examination (70%) addressing LO1-LO7
• Laboratory portfolio (30%) addressing LO7
4 hours of tutorial sessions addressing LO1-LO7 through set problems
Laboratory portfolio consists of both formative and summative experiments addressing LO7
Feedback on problem sets is provided in each tutorial
2 revision classes provide feedback on student’s approach to past examination problems
Feedback on laboratory performance is provided in each pre-lab session – 1 per week before each laboratory session
- describe the electronic structure of atoms and relate this to the construction of the Periodic Table and the resultant periodicity
- give an overview of the structure and reactivity of the main group elements and compounds
- give an overview of the structure and reactivity of d-block complexes including crystal field theory, oxidation states, nomenclature and isomerism
- review simple bonding models and introduce molecular orbital theory for homodiatomics
- couple the theory with practical laboratory classes related to the synthesis, characterisation and purification of main group and d-block compounds.
|001||Understand the origin of the periodic table starting from atomic orbitals, their electron occupation and the rules that underpin this understanding||CK|
|002||Explain atomic and ionic trends with respect to periodicity||CK|
|003||Discuss the typical reactivity of main group elements||CK|
|004||Discuss the structure and bonding in main group compounds||CK|
|005||Discuss trends in the properties of d-block elements||CK|
|006||Discuss structure, bonding and nomenclature in d-block complexes||CK|
|007||Apply selected practical techniques for the synthesis and characterisation of p- and d-block compounds||CKPT|
C - Cognitive/analytical
K - Subject knowledge
T - Transferable skills
P - Professional/Practical skills
Overall student workload
Independent Study Hours: 86
Lecture Hours: 25
Tutorial Hours: 4
Laboratory Hours: 35
Methods of Teaching / Learning
The learning and teaching strategy is designed to: Transfer and embed knowledge, theories and concepts relevant to inorganic chemistry. This is achieved through lectures supported by smaller group tutorial sessions and laboratory classes. The learning and teaching methods include:
• 2 or 3 hours of lectures per week
• Two 1 hour revison classes
• 5 laboratory classes, each with a 1 hour pre-lab session
• 4 hours of tutorials
Indicated Lecture Hours (which may also include seminars, tutorials, workshops and other contact time) are approximate and may include in-class tests where one or more of these are an assessment on the module. In-class tests are scheduled/organised separately to taught content and will be published on to student personal timetables, where they apply to taken modules, as soon as they are finalised by central administration. This will usually be after the initial publication of the teaching timetable for the relevant semester.
Reading list for PERIODICITY AND REACTIVITY OF THE ELEMENTS : http://aspire.surrey.ac.uk/modules/che1042
Programmes this module appears in
|Chemistry BSc (Hons)||1||Compulsory||A weighted aggregate mark of 40% is required to pass the module|
|Chemistry with Forensic Investigation BSc (Hons)||1||Compulsory||A weighted aggregate mark of 40% is required to pass the module|
|Chemistry MChem||1||Compulsory||A weighted aggregate mark of 40% is required to pass the module|
|Chemistry with Forensic Investigation MChem||1||Compulsory||A weighted aggregate mark of 40% is required to pass the module|
Please note that the information detailed within this record is accurate at the time of publishing and may be subject to change. This record contains information for the most up to date version of the programme / module for the 2021/2 academic year.