All Ions articles – Page 2
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Exhibition chemistryShocking revelations 2: neutralisation reactions
Use this experiment to demonstrate the different behaviours of weak and strong acids
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Games and puzzlesIons 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 chemistryShocking revelations: a conductometric titration
Strengthen students’ mental models of particles reacting in solution
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Class experimentAcid–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 chemistryThe 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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ResourceMicroscale neutralisation and precipitation reactions | 11–16 years
Hone your learners’ observation skills with two microscale reactions: neutralising citric acid and creating a lead iodide precipitate
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NewsThe 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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NewsDiamond 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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Ideas5 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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NewsA step closer to post-lithium energy storage
Calcium batteries could be viable thanks to a new electrolyte
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Class experimentPrecipitation 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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Class experimentUsing a microscale conductivity meter
Explore electrical conductivity with this practical that allows students to test different materials for how well a current will pass through them. Includes kit list and safety instructions.
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Class experimentElectrolysis of potassium iodide solution
Find out how the electrolysis of a potassium iodide solution works with this practical. Includes kit list, and safety instructions.
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ResourceChallenging 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.
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Lesson planThe salt cellar mystery
Support learners to investigate using chemistry, with the salt cellar mystery. Includes kit list, safety instructions and session timings
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ResourceIon-exchange resin and water
Evaluate the advantages and disadvantages of a selection of resins and decide which one(s) would be best for producing pure water from seawater on a life raft.
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ResourceJets of liquids: the effect of charged plastic on water
Polar covalent bonds, and their affects on water are explored in this open-ended problem.
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