Transition Metal Complexes

Year 13 lesson on Transition Metal complexes (based on AQA syllabus).
PowerPoint and worksheet included.
Print out last 3 slides to hand out examples of TM complexes to students.

LOs:
To define key terms in relation to complex ion formation.
To describe how the size of ligands affects the shape of complex ions.
To explain how ligand charge determines the charge on a complex ion.

1. Do Now: Recap on transition metals
2. Student Activity: Think, pair, share - what does TM complex diagram show?
3. Student Activity: Students come to their own definitions of 'ligand' and 'coordination number'
4. Exposition: Monodentate, bidentate, tridentate terms introduced
5. Mini-plenary: Checkpoint activity asking for ligand, coordination number and shape for 3 new complexes
6. Student Activity: Students draw out bidentate ligand and answer questions
7. Exposition: Introduce and discuss various multi dentate ligands, perhaps introducing the term 'chelate'
8. Exposition: Explaining shapes of complexes with regard to the size of a ligand
9. Exposition: How to calculate total charges on complex ions
10. Independent Task: Students complete worksheet on TM complexes
11. Plenary: Recap of all new terms learnt, using 3 new TM complexes
12. Extension Task: Drawing TM complexes

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