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ChemBear

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I am a GCSE and A-level Chemistry specialist teacher in a 14-18 school with 15 years teaching experience and several years research experience. I provide GCSE, AS and A2 Chemistry resources (mainly for the AQA specifications) to help students practice the concepts learned in lessons and I am a firm believer in 'Practice makes perfect'. I strive wherever possible to include the answers to the worksheets.

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I am a GCSE and A-level Chemistry specialist teacher in a 14-18 school with 15 years teaching experience and several years research experience. I provide GCSE, AS and A2 Chemistry resources (mainly for the AQA specifications) to help students practice the concepts learned in lessons and I am a firm believer in 'Practice makes perfect'. I strive wherever possible to include the answers to the worksheets.
AQA A-level Chemistry Redox Titrations Exam-Style Questions
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AQA A-level Chemistry Redox Titrations Exam-Style Questions

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AQA A2 Chemistry Redox Titrations Exam-Style Questions including answers. These questions cover several different calculations involving manganate (VII) and dichromate (VI) ions with either Fe2+ ions or hydrogen peroxide. Calculations involve working out the percentage by mass of iron in a sample, calculating the number of waters of crystallisation (e.g. FeSO4.xH2O) and concentration of reagent used.
AQA GCSE 9-1 Chemistry C8 Chemical Analysis - Identification of Positive and Negative Ions Starters
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AQA GCSE 9-1 Chemistry C8 Chemical Analysis - Identification of Positive and Negative Ions Starters

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Two starters/plenaries covering the GCSE Chemistry C8 Chemical Analysis Identification of Positive and Negative Ions for the Separate Science qualification. Students are asked to identify ionic compounds from their flame tests and/or the results from their chemical tests with sodium hydroxide (metal ions) and hydrochloric acid, acidified barium chloride and acidified silver nitrate. This covers all the required knowledge for the identification of positive and negative ions.
AS Chemistry Nomenclature - Naming Aldehydes and Ketones worksheets
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AS Chemistry Nomenclature - Naming Aldehydes and Ketones worksheets

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AS Chemistry worksheet for practicing naming aldehydes and ketones. This contains a variety of straight-chain and branched-chain aldehydes and ketones along with other substituents students will have met in previous topics. Hints given on worksheet as to how to attempt naming where appropriate. Answers included.
GCSE Chemistry Calculating Reacting Masses worksheet
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GCSE Chemistry Calculating Reacting Masses worksheet

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A worksheet comprising of 8 questions to help students practice calculating the moles of reactants and products. This sheet involves either calculating the maximum theoretical yield possible from a reaction or the amount of reactants needed for a reaction. Answers included.
GCE A level Aromatic Chemistry Nomenclature (Naming Benzene Compounds)
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GCE A level Aromatic Chemistry Nomenclature (Naming Benzene Compounds)

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This resource includes a teacher information sheet on the naming of aromatic compounds, outlining when the compound ends in -benzene and when it starts with phenyl-. A worksheet and starter activity is included to practice the rules for naming aromatic compounds. Further resources for Aromatic Nomenclature are available in the accompanying Aromatic Chemistry AQA Teacher Support Pack containing more resources and activities covering nomenclature, electrophilic substitution reactions and exam-style questions.
GCSE Chemistry 9-1 Working Out Protons, Electrons and Neutrons
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GCSE Chemistry 9-1 Working Out Protons, Electrons and Neutrons

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A worksheet to practice calculating the number of protons, electrons and neutrons in a given element (common to all GCSE exam boards). The sheet provides 30 different elements with their mass and atomic number. The elements gradually become larger with more neutrons providing more challenge towards the bottom of the sheet.
AQA GCSE Chemistry Trilogy Electrolysis Predicting Products and Half-equations worksheets
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AQA GCSE Chemistry Trilogy Electrolysis Predicting Products and Half-equations worksheets

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These worksheets are for AQA GCSE Chemistry Trilogy 5.4 Chemical Changes section on Electrolysis. The first, Predicting the Products from the Electrolysis of Aqueous Solutions, allows students to practise identifying the products formed at the anode and cathode, given a variety of different solutions. The second worksheet is on balancing half-equations. Each worksheet comes with accompanying answers.
GCSE Chemistry Acids, Bases and Salts Worksheet
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GCSE Chemistry Acids, Bases and Salts Worksheet

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This worksheet contains questions covering the four general word equations for neutralising acids, naming salts, identifying the other products of neutralisation (water, hydrogen or carbon dioxide), identifying gases, salts, acids, alkalis and bases from equations, and practice at writing the ionic formulae of salts and metal carbonates.
AQA A Level Chemistry Time of Flight Mass Spectrometer - Predicting Spectra of Diatomic Molecules
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AQA A Level Chemistry Time of Flight Mass Spectrometer - Predicting Spectra of Diatomic Molecules

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This resource consists of 3 PowerPoint presentations and 1 worksheet guiding students in how to predict the mass spectra of the diatomic molecules chlorine and bromine. This leads students through using simple probability to calculate the ratio of the 3 molecular ion peak heights and in sketching the spectra of chlorine and bromine. Also included are 2 application questions requiring students to apply their knowledge of probability in predicting the mass spectra of oxygen and nitrogen molecules.
AQA GCSE Chemistry Atomic Structure and Periodic Table
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AQA GCSE Chemistry Atomic Structure and Periodic Table

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This bundle contains several resources for the first Chemistry topic of the new GCSE. It includes Atomic Structure, Balancing Equations, Elements, Mixtures and Compounds, Group 1 and 7 exam-style questions along with a higher and foundation revision question booklet to use as starters/plenaries over ten lessons to reinforce and revisit previous learning.