All Ions articles – Page 3
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Experiment
Preferential discharge of cations during electrolysis
Use this practical to show that metal cations are preferentially discharged, in relation to the metal’s position in the reactivity series. Includes kit list and safety instructions.
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Experiment
The migration of ions during electrolysis of potassium manganate(VII)
Try this class practical to investigate the migration of ions during electrolysis as evidence for the ionic model. Includes kit list and safety instructions.
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Experiment
Extracting 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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Resource
Ionic Su Doku
This activity gives students practice at working out formulae in a problem solving context.
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Resource
28 chemistry puzzles for 14-16 years
Use these sudoku-inspired puzzles with printable worksheets and answers to help 14–16 year olds consolidate their understanding of key chemical concepts.
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Resource
45 chemistry puzzles for 16-18 years
Try these chemistry puzzles based on sudoku to help 16–18 year old students consolidate their knowledge about key topics, with printable worksheets and answers.
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Lesson plan
Writing formulas for ionic compounds | 14-16 years
Practise writing formulas for ionic compounds, revising common cations and anions, using this lesson plan with activities for 14–16 year olds.
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Lesson plan
How do atoms form the ions in ionic compounds? | 16-18 years
Check students’ understanding of why atoms form ions, and how ionic compounds form by ionic bonding, using this lesson plan with activities for 16–18 year olds.
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