All Quantitative chemistry and stoichiometry articles
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ResourceIntroducing chemical change | Key terms support | 11–14
Language support pack for Introducing chemical change, with key terms list, accessible glossary, Frayer models and unscrambling definitions
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ResourceMoles and mass | Developing understanding | 14–16 years
Develop understanding of the relationship between the mass of one mole, the number of moles and the mass of a substance
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ResourceQuantitative chemistry | Key terms support | 14–16
Language support pack for quantitative chemistry, with key terms list, accessible glossary, Frayer models and unscrambling definitions
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ResourceReactant and product substances | Developing understanding | 11–14
Use these worksheets to secure and deepen your learners’ understanding of reactants and products in chemical changes
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ResourceIron and sulfur reaction | Johnstone’s triangle | 11–14
Develop your learners’ understanding of reactants and products at different conceptual levels, using an iron and sulfur reaction as an example
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ResourceC, O and Co | Johnstone’s triangle | 11–14 years
Develop your learners’ understanding of symbols and formulas at different conceptual levels by comparing the symbolic representations of carbon monoxide and cobalt
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ResourceRelative mass | Structure strip | 14–16 years
Support learners to demonstrate their understanding of relative mass, using scaffolded writing prompts
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ResourceReacting masses and gas volumes | Structure strip | 14–16 years
Use scaffolded prompts to support learners to write about reacting masses and gas volumes
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ResourceInterpreting chemical equations | Developing understanding | 14–16 years
Deepen learners’ understanding of interpreting chemical equations by exploring the topic at different conceptual levels
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ResourceBalancing chemical equations using hydrogen and oxygen | Johnstone’s triangle worksheets | 14–16 years
Introduce Johnstone’s triangle to help learners gain a deeper understanding of balancing chemical equations
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ResourceRelative atomic mass of boron | Johnstone’s triangle worksheets | 14–16 years
Use Johnstone’s triangle to help learners think about the relative atomic mass of boron
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ResourceConcentration and mass | Developing understanding | 14–16 years
Encourage learners to deepen their understanding of concentration and mass from the macroscopic to sub-microscopic level
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ResourceConcentration of sodium hydroxide | Johnstone’s triangle worksheets | 14–16 years
Think about sodium hydroxide (NaOH) solution at a macroscopic, sub-microscopic and symbolic level
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Class experimentA microscale acid–base titration
Use microscale titration to complete an acid–base neutralisation with sodium hydroxide in this class practical. Includes kit list and safety instructions.
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Exhibition chemistryExplore the nitrogen oxides: Avogadro’s law revisited
Use colourless nitrogen monoxide and oxygen gases to produce coloured nitrogen dioxide gas
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MisconceptionsMass and dissolving | Chemical misconceptions II | 11–14 years
Use these questions to explore dissolving solids in liquids and tackle common misconceptions
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IdeasBuild confidence with guided, active and purposeful practicals
Flip quantitative chemistry on its head with just a dropping pipette, water and coin to engage learners
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CPD articleTeaching atom economy, percentage yield and green chemistry post-16
Use these tips and ideas for teaching these quantitative topics
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Ideas5 ways to teach excess and limiting reagents to 14–16 learners
Tips for helping learners get to grips with this tricky part of quantitative chemistry
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IdeasWays to teach the mole at 14–16
Use these four ideas to effectively teach and contextualise this crucial chemistry unit