Doc Brown's GCSE Science-CHEMISTRY Revision

WJEC/CBAC KS4 GCSE Science-CHEMISTRY

CHEMISTRY 1 * CHEMISTRY 2 * CHEMISTRY 3 * Additional Applied Science

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My unofficial support for the KS4 Science CHEMISTRY of the syllabus-specifications of WJEC (CBAC) GCSE SCIENCE COURSES * WJEC GCSE SCIENCE-CHEMISTRY,  WJEC GCSE ADDITIONAL SCIENCE, WJEC GCSE SEPARATE SCIENCES and WJEC GCSE Additional Applied Science

At the start of your GCSE Science-CHEMISTRY course (via broadband at school or home) ...

... How much Chemistry and Earth Science have you remembered from KS3 Science?

... click on the WJEC link at the top of this multiple choice Quiz to return to this page

WJEC GCE AS Chemistry  *  WJEC A2 Chemistry

Useful GCSE mini site-map of Doc Brown's Chemistry Clinic saveable to Desktop and all links work from Desktop

WJEC/CBAC GCSE SCIENCE - CHEMISTRY 1

for WJEC GCSE Science Chemistry 1 examination paper Unit 2 Foundation (023601) Higher (023602)

1. AT0MIC STRUCTURE, ELEMENTS AND THE PERIODIC TABLE

• Atomic Structure Notes - the structure of atoms, isotopes, nuclear structure notation, electronic structure and the Periodic Table

  • foundation-easier multiple choice quiz on Atomic structure, isotopes & electronic structure of atoms

  • higher-harder multiple choice quiz on  Atomic structure, isotopes & electronic structure of atoms

  • GCSE Atomic Structure crossword puzzle * Answers

  • gap-fill worksheet on Atomic Structure

  • matching pair quiz on Atomic and electronic structure 1. fundamental particles

  • matching pair quiz on Atomic and electronic structure 2. periodic table

• Summary of the Periodic Table - Explanation and overview of Groups, Periods, Series etc. with links to more detailed notes on the Group 1 Alkali Metals, Group 7 Halogens, Group 0 Noble Gases and Transition Metals

  • foundation-easier quiz on the basics of the Periodic Table

  • higher-harder quiz on the basics of the Periodic Table

  • Task sheet worksheet on Periodic Table history * (answers)

  • Basic Periodic Table Task sheet worksheet * (answers)

  • gap-fill worksheet on the Periodic Table

  • Element Symbol-name QUIZ easier-pictorial  or  harder-no pictures

  • Matching pair quiz on Atomic and electronic structure and the Periodic Table

• Group 1 The Alkali Metals Notes - Tabulated element data for lithium, sodium and potassium etc., physical and chemical properties of the metals, group trends, reactions with water, oxygen and chlorine, theory of group reactivity trend, compound formulae, uses of metals and compounds

  • foundation-easier multiple choice quiz on the Group 1 Alkali Metals

  • higher-harder multiple choice quiz on the Group 1 Alkali Metals

  • Word-fill worksheet on the Group 1 Alkali Metals

• Group 7 The Halogens Notes - data, physical properties and chemistry of elements chlorine, bromine, iodine and their compounds, electrolysis of aqueous sodium chloride/brine and the uses of the products - chlorine, hydrogen and sodium hydroxide. Alphabetical keyword-phrase list at top of page

  • foundation-easier quiz on the Group 7 Halogens

  • higher-harder quiz on the Group 7 Halogens

  • A Group 7 "Halogens" task sheet worksheet * (answers)

  • word-fill work sheet on the Halogens

  •  The Halogens (matching pair quiz on their appearance)

• Chemical Identity Tests - Gives descriptions of lots of tests for gases and ions etc. and use the keyword alphabetical index near top of the page.

  • GCSE Revision Quiz on Qualitative Analysis - chemical test methods and deductions

2. COMPOUNDS

• Elements, Compounds, Mixtures Notes - Much basic chemistry on this page e.g. definitions and examples of atoms, elements, compounds and mixtures, separation methods, physical & chemical changes and sections on 'how to understand and write chemical equations' and work out the formula of a compound

• Element Symbol-name QUIZ easier-pictorial  or  harder-no pictures

  • Quiz on "Atoms, elements, compounds and mixtures"

  • multiple choice Quiz on naming a chemical given its formula

  •  multiple choice Quiz on the formula of a chemical compound given its name

  • Type in name Quiz on given the formula of a compound

  • Quiz on naming/formula of chemical compounds (combination of the three quizzes above)

  • gap-fill quiz on 20 common chemical formula

  • Some basic chemical ideas and keywords

  • Quiz on balancing Symbol Chemical Equations with numbers

  • number fill Quiz on completing equations (Q1 Q2 Q3 developed so far)

  • Quiz on recognising the type of chemical change or reaction happening

• Notes on Acids, Bases, Alkalis and Salts - including lots of formulae in section (8) and elsewhere on the page.

3. USING CHEMICAL REACTIONS TO MAKE NEW MATERIALS

• Elements, Compounds, Mixtures Notes - what is a chemical reaction?

• Notes on Energy changes-transfers in Chemical Reactions - Exothermic and endothermic energy changes

4. RATES OF CHEMICAL CHANGE

• Factors affecting the rates-speeds of chemical reactions - the factors affecting reaction rates, experimental methods for obtaining data, graphs, energy change-reaction profiles and activation energies

  •  multiple choice Quiz on the Rates of Chemical Reactions

  • GCSE Crossword on Rates of Reactions * Answers

  • wordfill worksheet on Rates of Chemical Reactions

  • (1) and (2) Drag and drop matching pair quizzes on Rates of Chemical Reactions

  • Ten jumbled sentences Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10

5. NANOSCIENCE

• Part 1. General introduction to nanoscience and commonly used terms explained

• Part 2. NANOCHEMISTRY - an introduction and potential applications

• Part 3. Uses of Nanoparticles of titanium(IV) oxide, fat and silver

• Part 7. Problems, issues and implications associated with using nanomaterials

   

6. THE PRODUCTION and USE OF FUELS

• Oil and useful products - Fractional distillation to separate the hydrocarbons from oil and their use as fuels, combustion - equations, environmental

  • See also Global warming discussion page.

  • Associated Quizzes and worksheets.

• Notes on Energy changes-transfers in Chemical Reactions - Exothermic and endothermic energy changes, bond energy calculations, simple calorimetry, energy released by fuels and its measurement and calculation

  • foundation-easier multiple choice quiz on Oil and its useful products

  • higher-harder multiple choice quiz on Oil and its useful products

  •  3 wordfill worksheets on useful products of oil (crude oil, hydrocarbons, distillation, fuels, plastics) : Q2 : Q3

  • Matching pair quiz on Oil Products - uses of fractions

7. EVOLUTION AND MAINTENANCE OF THE ATMOSPHERE

• Global warming discussion page

• Earth Science Notes - based a series of 'cue' questions. Section 1. on atmospheric evolution, carbon cycle

8. GEOLOGICAL PROCESSES

• Earth Science Notes - based a series of 'cue' questions on atmospheric evolution, carbon cycle, igneous-metamorphic-sedimentary rock formation and properties, plate tectonics and rock cycle etc.

  • foundation-easier multiple choice quiz on Earth Science

  • higher-harder multiple choice quiz on Earth Science

  • A structured question covering much of the GCSE Earth Science + answer notes

  •  Five Earth Science word-fill worksheets Q1 * Q2 * Q3 * Q4 * Q5

    • Answers to the five GCSE Earth Science worksheets

WJEC GCSE ADDITIONAL SCIENCE - CHEMISTRY 2

for WJEC GCSE Science Chemistry 2 examination paper Unit 2 Foundation (024001) Higher (024002)

1. ATOMIC STRUCTURE

• Atomic Structure Notes - the structure of atoms, isotopes, nuclear structure notation, electronic structure and the Periodic Table

  • foundation-easier multiple choice quiz on Atomic structure, isotopes & electronic structure of atoms

  • higher-harder multiple choice quiz on  Atomic structure, isotopes & electronic structure of atoms

  • GCSE Atomic Structure crossword puzzle * Answers

  • gap-fill worksheet on Atomic Structure

  • matching pair quiz on Atomic and electronic structure 1. fundamental particles

  • matching pair quiz on Atomic and electronic structure 2. periodic table

2. CHEMICAL BONDING, STRUCTURE AND PROPERTIES

• Material structure and Types of Chemical Bonding - Ionic, covalent (simple molecules, giant covalent structures, polymer structure) and metallic bonding (including alloys) theory and examples, physical properties of elements and compound explained

  • foundation tier (easier) multiple choice quiz on the Structure, Properties and Chemical Bonding of Materials

  • higher tier (harder) multiple choice quiz on the Structure, Properties and Chemical Bonding of Materials

3. THE PRODUCTION AND USE OF METALS

• The Reactivity Series of Metals, Corrosion and  Redox Reaction Notes - The reactions of metals with oxygen, water and acids, displacement reactions, rusting of iron and preventing its corrosion, plus a detailed introduction to oxidation-reduction (redox) reactions, simple cells etc.  The notes on each metal are listed in reactivity order.

  • foundation-easier multiple choice quiz on the Reactivity Series of Metals, rusting and Redox reactions

  • higher-harder multiple choice quiz on the Reactivity Series of Metals, rusting and Redox reactions

  • gap-fill worksheet on The Reactivity of Metals

  • two gap-fill worksheets on Rusting and Metal Corrosion

  • Structured question worksheet on the Metal Reactivity Series * (answers)

• The Mining of Minerals and the Extraction of Metals - the extraction of aluminium, chromium, copper (and purification), iron, sodium, titanium and zinc, method details and equations, and method related to reactivity of metal and environmental issues.

  • foundation-easier multiple choice quiz on the Extraction of Metals

  • higher-harder multiple choice quiz on the Extraction of Metals

  • wordfill worksheet on The Extraction of Metals

  • Structured question worksheet on the Extraction of Metals * (all answers in notes at the moment)

• Extra notes on Electrochemistry - an introduction to electrolysis, theory, electrolysis cells, industrial electrolysis process links summary, experimental methods for electrolysis, electrode equations, simple cells/batteries, fuel cells etc.

4. CHEMICAL CALCULATIONS

• Chemical Calculations Index of to sections 1. to 16. of explained examples and quizzes built into the notes. Section 1. Relative atomic mass and its calculation. Section 2. formula mass, Section 3. Conservation of mass and simple reacting mass calculations. Section 4. % composition by mass of a compound,  section 5. empirical formula,  sections 3. & 6. Reacting mass and % & theoretical yield & atom economy,  Section 14. % & theoretical yield & atom economy

5. AMMONIA AND FERTILISERS

• Ammonia synthesis, reversible reactions and chemical equilibrium notes - including reversible reactions, equilibrium theory, nitric acid manufacture, fertiliser ammonium salt preparation, problems with over-use or fertilisers

  • foundation-easier multiple choice quiz on Reversible Reactions, Equilibrium, Ammonia Synthesis & Uses

  • higher-harder multiple choice quiz on Reversible Reactions, Equilibrium, Ammonia Synthesis & Uses

  • Ammonia synthesis and uses, reversible reactions and chemical equilibrium study revision notes

• Chemical Identity Tests - Gives descriptions of tests for ammonium ion and ammonia gas etc. and use the keyword alphabetical index near top of the page.

6. ALKANES, ALKENES and POLYMERS

• Oil and useful products - The hydrocarbons from oil and their uses e.g. fuels, polymers/plastics, cracking, fossil fuels and environmental problems, alkane & alkene homologous series 'families' etc.

  • foundation-easier multiple choice quiz on Oil and its useful products

  • higher-harder multiple choice quiz on Oil and its useful products

  •  3 wordfill worksheets on useful products of oil (crude oil, hydrocarbons, distillation, fuels, plastics) : Q2 : Q3

  • Matching pair quiz on Oil Products - uses of fractions

7. SMART MATERIALS

• SMART MATERIALS SCIENCE (alphabetical index at top of page)

8. WATER

• Water and Extra Aqueous Chemistry Notes - water treatment, hard and soft water, solubility

WJEC GCSE SEPARATE SCIENCES - CHEMISTRY 3

1. ORGANIC CHEMISTRY

• Oil and useful products - The hydrocarbons from oil - alkanes, alkenes, combustion, alkane & alkene homologous series 'families', alcohols like ethanol, other organic molecule families e.g. carboxylic acids, esters, polymers, more on combustion

2. SULPHURIC ACID

• Extra Industrial Chemistry Notes - sulphuric acid section

• Acids, Bases, Alkalis, pH, Neutralisation and Salts - includes theory, lots of formulae and word and balanced symbol equations, salt preparations and equations.

  • foundation-easier multiple choice quiz on pH, Indicators, Acids, Bases, Neutralisation and Salts

  • higher-harder multiple choice quiz on pH, Indicators, Acids, Bases, Neutralisation and Salts

  • Structured question worksheet on Acid Reaction word equations and symbol equation questions

      Word equation answers and symbol equation answers

  • word-fill worksheet on Acids, Bases, Neutralisation and Salts

  • matching pair quiz on Acids, Bases, Salts and pH

• Water and Extra Aqueous Chemistry Notes - acid-base theory, comparison of weak and strong acids

3. CHEMICAL CALCULATIONS

• Chemical Calculations Index of to sections 1. to 16. of explained examples and quizzes built into the notes. Section 7. Introducing moles, Section 11. making up solutions, concentration & molarity, Section 12. acid-alkali titration - apparatus/analysis

4. LIMESTONE

• Extra Industrial Chemistry Notes - limestone section

5. INORGANIC QUALITATIVE ANALYSIS

• Chemical Identity Tests - Gives descriptions of lots of tests for gases and ions etc. and use the keyword alphabetical index near top of the page.

  • Chemical hazard warning symbols

  • GCSE Revision Quiz on Qualitative Analysis - chemical test methods and deductions

WJEC GCSE Additional Applied Science

Forensic Science

• Chemical Identity Tests - Gives descriptions of lots of tests for gases and ions (cations and anions) etc. and use the keyword alphabetical index near top of the page

  • GCSE Revision Quiz on Qualitative Analysis Quiz - chemical test methods and deductions

• Methods of separating mixtures (keyword-phrases index at top of page)

• Calculations section 7. introducing moles - the connection between moles, mass and formula mass

• Calculations section 11. Making up solutions - concentration and molarity

• Calculations section 12. Volumetric acid-alkali titration calculations - apparatus and analysis

PAST PAPERS for WJEC/CBAC GCSE SCIENCE-CHEMISTRY

WJEC/CBAC GCSE SCIENCE PAST PAPERS

BIOLOGY 1 FOUNDATION - GCSE WINTER 2008 - QUESTION PAPER

BIOLOGY 1 HIGHER - GCSE WINTER 2008 - QUESTION PAPER

PHYSICS 1 FOUNDATION - GCSE WINTER 2008 - QUESTION PAPER

PHYSICS 1 HIGHER - GCSE WINTER 2008 - QUESTION PAPER

WJEC GCSE/CBAC ADDITIONAL SCIENCE PAST PAPERS

BIOLOGY 2 FOUNDATION - GCSE WINTER 2008 - QUESTION PAPER

BIOLOGY 2 HIGHER - GCSE WINTER 2008 - QUESTION PAPER

Chemistry 2 FOUNDATION - GCSE WINTER 2008 - QUESTION PAPER

CHEMISTRY 2 HIGHER - GCSE WINTER 2008 - QUESTION PAPER

Physics 2 FOUNDATION - GCSE WINTER 2008 - QUESTION PAPER

PHYSICS 2 HIGHER - GCSE WINTER 2008 - QUESTION PAPER

WJECC/CBAC GCSE ADDITIONAL APPLIED SCIENCE PAST PAPERS

ADDITIONAL APPLIED SCIENCE UNIT 2 WRITTEN PAPER- FOUND - GCSE WINTER 2010 - QUESTION PAPER

ADDITIONAL SCIENCE UNIT 2 WRITTEN PAPER- HIGHER - GCSE WINTER 2010 - QUESTION PAPER

APPLIED SCIENCE UNIT 2 WRITTEN PAPER- FOUND - GCSE WINTER 2010 - QUESTION PAPER

APPLIED SCIENCE UNIT 2 WRITTEN PAPER- HIGHER - GCSE WINTER 2010 - QUESTION PAPER

ADDITIONAL APPLIED SCIENCE UNIT 2 WRITTEN PAPER- FOUND - GCSE SUMMER 2009 - QUESTION PAPER

ADDITIONAL APPLIED SCIENCE UNIT 2 WRITTEN PAPER- HIGHER - GCSE SUMMER 2009 - QUESTION PAPER

ADDITIONAL APPLIED SCIENCE UNIT 2 WRITTEN PAPER- FOUND - GCSE WINTER 2009 - QUESTION PAPER

ADDITIONAL APPLIED SCIENCE UNIT 2 WRITTEN PAPER- HIGHER - GCSE WINTER 2009 - QUESTION PAPER

APPLIED SCIENCE UNIT 2 WRITTEN PAPER- FOUND - GCSE WINTER 2009 - QUESTION PAPER

APPLIED SCIENCE UNIT 2 WRITTEN PAPER- HIGHER - GCSE WINTER 2009 - QUESTION PAPER

ADDITIONAL APPLIED SCIENCE UNIT 2 WRITTEN PAPER- FOUND - GCSE SUMMER 2008 - QUESTION PAPER

ADDITIONAL APPLIED SCIENCE UNIT 2 WRITTEN PAPER- HIGHER - GCSE SUMMER 2008 - QUESTION PAPER

WJEC/CBAC GCSE CHEMISTRY PAST PAPERS

CHEMISTRY 1 FOUNDATION - GCSE WINTER 2010 - QUESTION PAPER

CHEMISTRY 1 HIGHER - GCSE WINTER 2010 - QUESTION PAPER

CHEMISTRY 2 FOUNDATION - GCSE WINTER 2010 - QUESTION PAPER

CHEMISTRY 2 HIGHER - GCSE WINTER 2010 - QUESTION PAPER

CHEMISTRY 1 FOUNDATION - GCSE SUMMER 2009 - QUESTION PAPER

CHEMISTRY 1 HIGHER - GCSE SUMMER 2009 - QUESTION PAPER

CHEMISTRY 2 FOUNDATION - GCSE SUMMER 2009 - QUESTION PAPER

CHEMISTRY 2 HIGHER - GCSE SUMMER 2009 - QUESTION PAPER

CHEMISTRY 3 FOUNDATION - GCSE SUMMER 2009 - QUESTION PAPER

CHEMISTRY 3 HIGHER - GCSE SUMMER 2009 - QUESTION PAPER

CHEMISTRY 1 FOUNDATION - GCSE WINTER 2009 - QUESTION PAPER

CHEMISTRY 1 HIGHER - GCSE WINTER 2009 - QUESTION PAPER

CHEMISTRY 2 FOUNDATION - GCSE WINTER 2009 - QUESTION PAPER

CHEMISTRY 2 HIGHER - GCSE WINTER 2009 - QUESTION PAPER

CHEMISTRY 1 FOUNDATION - GCSE SUMMER 2008 - QUESTION PAPER

CHEMISTRY 1 HIGHER - GCSE SUMMER 2008 - QUESTION PAPER

Chemistry 2 Foundation - GCSE Summer 2008 - Question Paper

Chemistry 2 Higher - GCSE Summer 2008 - Question Paper

CHEMISTRY 3 FOUNDATION - GCSE SUMMER 2008 - QUESTION PAPER

CHEMISTRY 3 HIGHER - GCSE SUMMER 2008 - QUESTION PAPER

Chemistry 1 Foundation - GCSE Winter 2008 - Question Paper

CHEMISTRY 1 HIGHER - GCSE WINTER 2008 - QUESTION PAPER

Chemistry 2 Foundation - GCSE Winter 2008 - Question Paper

CHEMISTRY 2 HIGHER - GCSE WINTER 2008 - QUESTION PAPER

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