All Elements and the periodic table articles – Page 7
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AnalysisSinister caesium: the birth of a meme
Declan Fleming investigates the story behind the classic caesium explosion video
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AnalysisAlkali metals – the camera lies
Declan Fleming explains how Brainiac's faked explosions helped produce a great resource to stretch his students
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Class experimentThe reaction of aluminium and copper(II) sulfate
Try this practical or demonstration to illustrate the displacement of copper from copper sulfate using aluminium foil, with kit list and safety instructions.
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OpinionFive ideas in chemical education that must die: The atomic orbital conundrum
Are 4s atomic orbitals preferentially occupied and ionised?
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ResourceThe Chemistry of Light: Part 1
A series of short experiments and demonstrations about the chemistry of light, taken from a lecture by Peter Wothers from the University of Cambridge Video: The Chemistry of Light: 01 - Introduction Video: The Chemistry of Light: 02 - Oil Lamps & Candles ...
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DemonstrationAllotropes of sulfur
Use this practical to explore the changes in the colour and consistency of sulfur as you heat it, melt it and eventually boil it. Includes kit list and safety instructions.
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DemonstrationReactions of chlorine, bromine and iodine with aluminium
Try this demonstration to produce some spectacular exothermic redox reactions by reacting aluminium with halogens. Includes kit list and safety instructions.
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Class experimentHalogens in aqueous solution and their displacement reactions
Explore the chemical properties of halogens using this demonstration or class experiment. Includes kit list and safety instructions.
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Class experimentThe reactivity of iron
Illustrate iron’s position in the reactivity series by heating it with copper and magnesium oxides in this practical. Includes kit list and safety instructions.
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Class experimentPreparing salts by neutralisation of oxides and carbonates
Try these class experiments to illustrate the production of soluble salts from insoluble metal oxides and carbonates. Includes kit list and safety instructions.
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DemonstrationReacting magnesium with copper(II) oxide
Illustrate reduction, oxidation and the relative reactivity of magnesium and copper(II) oxide in this demonstration. Includes kit list and safety instructions.
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DemonstrationLiquefying chlorine gas
Use this demonstration to produce liquid chlorine and compare it with bromine and iodine in their condensed state. Includes kit list and safety instructions.
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DemonstrationExtracting iodine from seaweed
Discover how ribbon seaweed (or kelp) can be used as a source of iodine in this demonstration or class experiment. Includes kit list and safety instructions.
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Exhibition chemistryRed hot carbon
Declan Fleming shows you how to capture your students’ imaginations with spectacular demonstrations
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ResourceA new kind of alchemy
This presents some cutting edge research for post-16 students in a context that they can appreciate. It shows the students there are still big ideas to be explored in chemistry and should promote research as a career choice.
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ResourceTrends in reactivity in the periodic table
This could be used to follow up some work on the periodic table where the trends in reactivity in groups 1 and 7 have been identified. It can be used as a differentiated activity for the more able students within a group.