All Ions articles
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Exhibition chemistryThe reaction between sodium and chlorine
Use this to demonstrate this classic and spectacular chemistry experiment
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Ideas
Modelling ionic bonds with plasticine
Mould your students’ understanding of ionic bond formation and overcome misconceptions
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CPD
Teaching redox chemistry post-16
Try these ideas to help make redox chemistry less confusing for students
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Exhibition chemistry
Shocking revelations 2: neutralisation reactions
Use this experiment to demonstrate the different behaviours of weak and strong acids
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Resource
Ions logic puzzle | 14–16 years
A fun logic puzzle which tests learners’ recollection of the relationship between periodic group number and charge on simple ions
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Exhibition chemistry
Shocking revelations: a conductometric titration
Strengthen students’ mental models of particles reacting in solution
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Experiment
Acid–alkali conductometric titration worksheet | 14–16 years
Develop your learners’ understanding of ions and the changes in ionic concentrations in an acid-alkali neutralisation
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Exhibition chemistry
The movement of ions: bringing electrolysis to life
Demonstrate the movement of positive and negative ions with a simpler, safer version of this classic demo
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Resource
Microscale neutralisation and precipitation reactions
Hone your students’ observation skills by asking them to observe two microscale reactions: neutralising citric acid and creating a lead iodide precipitate
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News
The whitest white paint ever is also the coolest
How paint made with barium sulfate could reduce the need for air conditioning
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News
Diamond helps to discover hexagonal salt
Explore ionic structures in your class with the discovery of a strange form of table salt
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Ideas
5 ways to explain electrolysis
From building good foundations to memorising the rules, these tips will help your students grasp this tricky topic
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News
A step closer to post-lithium energy storage
Calcium batteries could be viable thanks to a new electrolyte
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Experiment
Precipitation reactions of lead nitrate
Compare the colours of various lead compounds to identify which would be good pigments in this microscale practical. Includes kit list and safety instructions.
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Resource
Using a microscale conductivity meter
Let your students test which solids and solutions/liquids conduct electricity with a microscale conductivity meter
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Resource
Electrolysis of potassium iodide solution
Filter paper soaked in potassium iodide solution which also contains starch and phenolphthalein is placed on an aluminium sheet which forms one electrode of an electric circuit. The other electrode is used as a ‘pen nib’ to ‘write’ on the filter paper. When this electrode is made positive and the ...
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Resource
Challenging Plants: Soil Science - Practicals
The nature of soil particles (inorganic and organic) and of soil water affects plant growth and, in particular, the availability of nutrients essential for the growth of quality crops in high yield. An understanding of the media in which plants grow helps scientists to exploit their potential.
