All Quantitative chemistry and stoichiometry articles – Page 3
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Class experimentDetermining the relative atomic mass of magnesium
Use this practical to determine the relative atomic mass of magnesium using its reaction with hydrochloric acid
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Class experimentPennu màs atomig cymharol magnesiwm
Defnyddiwch y gwaith ymarferol hwn i bennu màs atomig cymharol magnesiwm gan ddefnyddio ei adwaith ag asid hydroclorig.
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Class experimentFinding the formula of copper(II) oxide
Use this demonstration with your 14–16 learners to deduce the formula of copper(II) oxide by reducing it with methane
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ResourceMoles and volume | Developing understanding | 14–16 years
Deepen your learners’ understanding of the idea that equal volumes of gases contain an equal number of molecules with this worksheet
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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 years
Develop understanding of reactants and products at different conceptual levels using an iron and sulfur reaction as an example
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ResourceMàs cymharol | Stribed strwythur | 14–16 oed
Cefnogi’r dysgwyr i ddangos eu dealltwriaeth o fàs cymharol, gan ddefnyddio awgrymiadau ysgrifennu wedi’u sgaffaldio
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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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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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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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ResourceCrynodiad a màs | Datblygu dealltwriaeth | 14–16 oed
Annog y dysgwyr i ddyfnhau eu dealltwriaeth o grynodiad a màs o’r lefel facrosgopig i’r lefel is-ficrosgopig
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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 experimentTitradiad asid–bas ar raddfa ficro
Defnyddio titradu ar raddfa ficro i gwblhau niwtraliad asid–bas gyda sodiwm hydrocsid yn y sesiwn ymarferol hon yn y dosbarth. Mae’n cynnwys rhestr o’r cyfarpar a chyfarwyddiadau diogelwch.
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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