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Doc Brown's Chemistry GCSE/IGCSE Science-CHEMISTRY REVISION NOTES
GCSE/IGCSE
KS4 Science-CHEMISTRY, Earth
Science and Radioactivity Revision Notes for AQA, Edexcel & OCR
GCSE courses
Revision-research
information STUDY NOTES index for KS4 science-chemistry GCSE-IGCSE & O level
courses (~ US grade 9-10)

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GCSE-IGCSE-KS4 Science-Chemistry
Topic revision-information study notes |
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   Elements, Compounds, Mixtures KS3-GCSE Revision Study Notes -
Definitions and examples of
atoms, elements, compounds and mixtures. Separation methods and physical
and chemical changes and sections on 'how to understand and write
chemical word and symbol equations', lots of formulae examples,
displayed formula and how to work out the formula of a compound. (keyword-phrase
index at top of page)
Quizzes-Worksheets section 1.
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 Uses
of Chemicals - 220+ examples briefly described
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Types of Chemical Reactions or Chemical Processes GCSE Revision
Study Notes
- 40+ different
reactions-processes are described, use the top alphabetical index to
find examples of the reaction type you seek,
Email me
if one is missing, always happy to add extra examples.
Quizzes-Worksheets section 1.
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 ANALYSIS - Qualitative
Chemical Identification Tests GCSE Revision Study Notes
- Gives descriptions of lots of tests for gases, ions and organic
molecules-functional groups
etc. and labelled diagrams of hazard warning symbols.
Use alphabetical keyword index near top of the page. It covers all the
chemical tests for KS3, GCSE, AS and A2.
Email me if you think one is missing.
Methods of preparing and collecting gases revision notes
- Reactants and use of gas syringes, test tubes etc. to collect the gas
and reference to some hazards etc.
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Acids, Bases, Alkalis, pH, Neutralisation and Salts GCSE Revision Study
Notes
: 1. Everyday examples of acid-alkali chemistry
: 2. pH scale, indicators, ionic theory of acids, alkalis
(bases) & neutralisation : 3. Examples of
acid, neutral or alkaline
solutions : 4. Acid reactions with
metals, oxides, hydroxides, carbonates and neutralisation reactions : 5.
Reactions of bases-alkalis
like sodium hydroxide : 6. Four methods
of making salts : 7. Changes in pH in a
neutralisation : 8. Important formulae,
salt solubility and water of crystallisation : 9.
Further examples of word/symbol equations
involving acids, bases, alkalis : 10.
More on Acid-Base Theory and Weak and Strong
Acids ALSO
Quizzes-Worksheets section 12.

Water and Extra
Aqueous Chemistry GCSE Revision Study Notes
- water treatment, hard and soft water, colloids, solubility.
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 The Periodic Table - overview and summary
- gcse revision study notes
- 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.
Quizzes-Worksheets section 3.
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Compiled tables
of element data
for Groups and series of the Periodic Table of Elements - on Groups 1,2,7,0 and 3d-Transition Metals for GCSE-IGCSE
students. See also individual Groups or Series of elements in this sub-index.
Alphabetical Element name list
with symbol and atomic number (Z)
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Group 1
The Alkali Metals GCSE revision study 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.
Quizzes-Worksheets section 4.
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 The Physical & Chemical
Properties and Uses of Transition Metals and mention of other
metals - GCSE study revision notes
- chemical and physical properties of them, uses of iron, copper,
chromium etc., and a section on the uses and applications of other
non-transition metals like aluminium.
See also
Sections 4. and 5. Extra Industrial Chemistry and
uses of sodium.
Quizzes-Worksheets section 5.
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Group 0 Noble Gases GCSE study revision
notes
- data, properties, chemical inertness, uses of helium, neon, argon etc. and
a little chemistry!
Quizzes-Worksheets section 7.
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 Group 7
The Halogen GCSE study revision 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.
Quizzes-Worksheets section 8.
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 Ammonia
synthesis and uses, reversible reactions and chemical equilibrium - GCSE
study revision notes
- including reversible reactions, equilibrium theory, nitric acid
manufacture, fertiliser ammonium salt preparation, problems with over-use or
fertilisers. The sections of notes on each metal are listed in reactivity order.
Quizzes-Worksheets section 9.
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 The Reactivity Series of Metals The reactions of metals with
oxygen, water and acids, displacement reactions
Corrosion
- Rusting of Iron and Redox Reactions
Introduction rusting of iron and preventing
its corrosion, plus a detailed introduction to oxidation-reduction (redox)
reactions, simple cells etc.
Quizzes-Worksheets section 14. |

The Mining of Minerals and the Extraction of Metals from their Ores GCSE study
revision notes
- the extraction of aluminium, chromium, copper (and purification),
iron, sodium, titanium and zinc, method details and equations, and method
related to reactivity of the metal and environmental issues.
Quizzes-Worksheets section 13. |

Extra GCSE/IGCSE Industrial
Chemistry revision study notes
- limestone chemistry and uses, enzymes, sulphuric acid, uses of metals -
steels, aluminium and titanium, chemical economics etc.
Introduction to 'Formulation Chemistry' e.g. cosmetics, shampoos, paints,
pesticides etc.
(See also
Transition Metals).
Quizzes-Worksheets section 10. |

Extra GCSE/IGCSE Electrochemistry
revision study notes
- an introduction to electrolysis, theory, electrolysis cells,
industrial electrolysis process links summary, experimental methods for
electrolysis, electrode equations, simple cells/batteries, fuel cells
etc.
Quizzes-Worksheets section 21. |
 Factors affecting the
rates-speeds of chemical reactions GCSE revision study notes - the factors
affecting reaction rates, experimental methods for obtaining data, graphs,
energy change-reaction profiles and activation energies.
See also
enzymes, energy changes
and
coursework ideas.
Quizzes-Worksheets section 2. |
 Energy changes-transfers
in Chemical Reactions GCSE/AS study revision notes - Exothermic and
endothermic energy changes, breaking/making bonds, bond energy calculations,
simple calorimetry of energy released by fuels and its measurement
and calculation.
The associated m/c quiz includes revision of physical and chemical changes.
Quizzes-Worksheets section 15. |
  States of Matter
- particle theory - gas, liquid & solid GCSE study revision notes
- notes and diagrams on states, state changes, using the particle model
to explain their properties.
Quizzes-Worksheets section 16. |
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Atomic Structure
- the structure of atoms, isotopes, nuclear structure
notation, electronic structure and the Periodic Table.
Quizzes-Worksheets section 17.
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  Materials Structure and
Types of Chemical Bonding GCSE/AS study revision notes -
Ionic, covalent (simple molecule and giant structures) and metallic
bonding (including alloys) theory and examples, physical properties of elements
and compound explained.
Quizzes-Worksheets section 18. |
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   KS4 Science GCSE/IGCSE
Chemistry Oil & Organic Chemistry Pages: 1.
Fossil Fuels : 2.
Fractional distillation of crude oil & uses of fractions : 3.
ALKANES - saturated hydrocarbons : 4.
Pollution, carbon monoxide, nitrogen oxides, what
makes a good fuel?, climate change-global warming :
5. Alkenes - unsaturated hydrocarbons :
6. Cracking - a problem of supply and demand, other products :
7. Polymers, plastics, uses and problems :
8. Introduction to Organic Chemistry - Why so many series of
organic compounds? : 9. Alcohols - Ethanol
- properties and reactions :
10. Carboxylic acids and esters : 11. Addition
polymers and condensation polymers :
12. Natural Molecules - carbohydrates - sugars
- starch : 13. Amino acids, proteins,
enzymes & chromatography : 14. Oils, fats,
margarine and soaps :
15. Vitamins, drugs-analgesic medicines & food
additives : 16. Ozone, CFC's and free
radicals *
Quizzes-Worksheets section 11.
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Earth Science GCSE study revision 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.
Quizzes-Worksheets section 20. |
 
Chemical Calculations for GCSE and AS (basic) - 1. to 16. sections of explanation-examples and
quizzes built into the notes. |
  Radioactivity
and Nuclear Power GCSE/AS revision study notes
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The structure of atoms linked to the properties and uses of alpha, beta
and gamma radiation, radioisotope dating, half-life and explanation of
fission/fusion nuclear reactions etc.
Quizzes-Worksheets section 22. |
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