A2/AS Unit 1 The language of
chemistry, structure of matter and simple reactions
(WJEC A2/AS
level chemistry)
1.1
Formulae and equations
(WJEC A2/AS
level chemistry)
Introducing oxidation state: rules–guidelines, inorganic examples,
naming
inorganic compounds
How to write
equations, work out formula and name compounds
1.2
Basic ideas about atoms
(WJEC A2/AS
level chemistry)
Atomic Structure Notes
Radioactivity and
Nuclear Power -
The structure of atoms
linked to the properties and uses of alpha, beta and gamma radiation,
radioisotope dating, half-life.
Sub-index and
keywords at top of page
Radioactivity and nuclear processes multiple choice
Quiz Covers everything for A
level chemistry
Revision notes on all you need to know on ATOMIC
STRUCTURE for advanced level
Electronic Structure of atoms -
s p d f orbitals - electronic basis of periodic table
Electron configurations of
elements (Z = 1 to 56), ions and the Periodic Table
Spectroscopy, hydrogen spectrum, evidence of quantum
levels, ionisation energy
patterns
1.3
Chemical calculations
(WJEC A2/AS
level chemistry)
GCSE Atomic Structure
Notes including mass spectrometry of elements
- the structure of atoms, isotopes, nuclear structure notation,
'simple' electronic structure and the Periodic Table and mass spectrometry
for isotope analysis and calculation of relative atomic mass (Ar)
and measurement of molecular mass
(Mass spectrometry is on
a sub-page)
Chemical Calculations index - 1. to 16. sections of
explanation-examples and multiple choice and type in answer quizzes links
are built into the notes, designed up to higher
GCSE and basic GCE-AS/IB
calculations
section 1. Relative atomic mass (Ar)
and isotopic mass
section 2. Relative formula mass and relative molecular mass (Mr)
section 3. Law of Conservation of Mass and simple reacting mass calculations
section 4. % composition by mass of a compound
section 5.
Empirical formula from reacting masses
section 6. Reacting masses of reactants and products and actual percent %
yield,
theoretical yield and atom economy
section
7. Introducing moles - the connection of moles, mass and formula mass
section 8. Using
moles to deduce empirical/molecular formula of a compound/molecule starting with
reacting masses or % composition by mass
section 9. moles and
molar gas volume and Avogadro's Law
section 14. % actual and theoretical yield, dilution calculations, atom
economy, volumetric titration apparatus, water of crystallisation, how much
of reactants are needed?
(sub-index near top of page)
P-V-T
pressure-volume-temperature gas law calculations
The ideal gas equation PV=nRT
and use in calculations
1.4
Bonding
(WJEC A2/AS
level chemistry)
INDEX of all my CHEMICAL BONDING notes
Why is knowledge of chemical bonding & structure so important?
Introduction to chemical bonding - why? how? and
patterns
Ionic Bonding: compounds and properties
Covalent Bonding: small molecules & properties
Electronegativity, bond polarity, type of chemical
bonding
Introduction -
VSEPR theory - lots of inorganic
molecule/ion examples
Some other molecules/ions of carbon, nitrogen, sulphur
and chlorine
shapes and bond
angles of organic molecules
1.5
Solid structures
(WJEC A2/AS
level chemistry)
More on ionic
structures and ionic bonding
Giant covalent structures and other big
molecules
Types of
Crystal Structure and their relative physical properties
Metallic Bonding – structure and properties of metals
1.6
The Periodic Table
(WJEC A2/AS
level chemistry)
GCSE Summary
notes of the Periodic Table
- A basic introduction: 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.
Periodic Table Advanced Inorganic Chemistry Notes Part 1 "Historical
Introduction" and the full modern periodic table
Periodic Table Advanced Inorganic Chemistry Notes Part
2 "Electronic Structure and Ionisation Energies"
- Electron arrangements -
electron configurations and the Periodic Table - s, p, d and f blocks
Data-periodicity graphs for
elements Z = 1 to 20 = Period 1, Period 2, Period 3 and start of Period 4
periodicity
graph for elements Z = 1 to 38 = Period 1, Period 2, Period 3, Period 4 and start
of Period 5
INDEX
and INTRODUCTION to s-block Group 1 Alkali
Metals and Group 2 Alkaline Earth Metals
Qualitative Analysis:
Chemical
Identity Tests - anions e.g.
non-metal negative ions
(keyword alphabetical index at top of page)
Qualitative Analysis:
Chemical
Identity Tests - cations e.g.
positive metal ions
(keyword alphabetical index at top of page)
Part 9
p-block Group 7/17 The Halogens (9 linked pages, use sub-index for sections 9.1 to 9.12 to find what you
need)
1.7
Simple equilibria and acid-base reactions
(WJEC A2/AS
level chemistry)
Starter GCSE
Notes on reversible reactions and equilibrium and Le Chatelier's Principle
Advanced
Chemistry Equilibria Part 1. Dynamic molecular equilibrium and Le Chatelier's principle
Notes on Acids, Bases, Alkalis, pH,
Neutralisation and Salts - includes theory, lots of formulae and word and balanced symbol
equations, salt preparations and equations.
Aqueous Chemistry
Notes
- more on acid-base theory Sub-index at top of page
section 11. Making up solutions -
concentration & molarity
section 12. Volumetric acid-alkali titration easy calculations
- apparatus/analysis
Structured Question worksheet including acid-base volumetric titration calculations (worked
out answers included!)
A2/AS Unit 2 Energy, rate and
chemistry of carbon compounds
(WJEC A2/AS
level chemistry)
2.1
Thermochemistry
(WJEC A2/AS
level chemistry)
Basic notes of exothermic and endothermic reactions and
calculation of enthalpy changes from 'simple' calorimetry
experiments and resulting data
Thermodynamics Part 1: Thermochemistry - Calorimetry experiments
- Enthalpies of reaction, formation, combustion and bond
dissociation are explained with exemplar calculations
(6 linked pages and their sub-index)
Enthalpy and Bond Energy Calculation Questions
(worked out
answers included!)
2.2
Rates of reaction
(WJEC A2/AS
level chemistry)
GCSE
Notes for the basics of rates of reactions - kinetics
KINETICS - advanced rates of reactions
revision notes: temperature effect and activation energy, homogeneous catalysts
and heterogeneous
catalysts, obtaining data (does include more than you need for WJEC CH1)
2.3
The wider impact of chemistry
(WJEC A2/AS
level chemistry)
You should be able to demonstrate and apply their knowledge and
understanding of:
(a)
social, economic and environmental impact of chemical synthesis
and the production
of energy
Chemical & Pharmaceutical Industry Economics & Sustainability
- Life Cycle Assessment
Complete and incomplete
combustion of alkanes and environmental pollution
Fossil fuel air pollution -
incomplete combustion, carbon monoxide & soot particulates
Greenhouse
effect, global warming, climate change,
carbon footprint from fossil fuel burning
Fossil fuel air pollution - effects of sulfur oxides
and nitrogen oxides
(b)
role of green chemistry in improving sustainability in all
aspects of developments
2.4
Organic compounds
(WJEC A2/AS
level chemistry)
A summary of
homologous series, functional group names and structure in Organic Chemistry
The Molecular Structure and
Nomenclature of ALKANES
Revision notes on the structure and naming
of ALKENES (including cyclo- and many isomers
Molecular Structure and
Nomenclature of HALOGENOALKANES (haloalkanes)
Revision notes on the structure and naming
(nomenclature) of aliphatic ALCOHOLS including some isomeric ethers
Structure and naming of CARBOXYLIC ACIDS and DERIVATIVES,
including nomenclature of isomers
An
Introduction to organic chemical reaction mechanisms and technical
terms explained
Organic
Chemistry ISOMERISM general definition and structural isomerism
(sub-index at top of page)
Introduction
to Intermolecular Forces
Detailed
comparative discussion of boiling points of 8 organic molecules
Boiling point plots for six
organic
homologous series
Other case studies of
boiling points related to intermolecular forces
2.5
Hydrocarbons
(WJEC A2/AS
level chemistry)
INDEX of ALL revision notes
on the chemistry of ALKANES and the petrochemical
industry
INDEX of
ALL revision notes on the chemistry ALKENES
including reactions and polymers
Multiple
choice
Quiz on the structure and naming (nomenclature) of alkanes
Type
in name Quiz on the structure & naming of ALKANES (and
nomenclature of cycloalkanes)
STEREOISOMERISM general definition, E/Z (geometric/geometrical
cis/trans) isomerism
Multiple choice Quiz on the Structure and naming
(nomenclature) of ALKENES
Type in name Quiz on the
nomenclature of ALKENES
MECHANISM
Introduction
and terms used in organic chemistry (on the mechanism pages the
type of reaction, basic reaction equations and conditions are quoted which may act as a
suitable reference, there is also a reaction index on each page)
Mechanism
of the free radical
chlorination/bromination of alkanes to make halogenoalkanes
Mechanism
of electrophilic addition of
hydrogen bromide to alkenes
to make bromoalkanes (introduction and example of
electrophilic addition to alkenes) (includes reagents, reaction
conditions and exemplar balanced equations
showing product formation even if you don't need all the mechanistic
details)
Mechanism
of electrophilic addition of bromine
to alkenes
with pure
bromine to make dibromoalkanes (includes
reagents, reaction conditions and exemplar balanced equations
showing product formation even if you don't need all the mechanistic details)
Alkanes and Petrochemical Industry INDEX
1.1
The Molecular Structure and Nomenclature of Alkanes
1.2
Fractional distillation of crude
oil and uses of products
1.3
Modification of alkanes by
cracking, isomerisation and reforming
1.4
Complete and incomplete
combustion of alkanes and environmental pollution
1.5
Modification of hydrocarbon fuel
mixtures and alternative fuels
1.6
Chlorination and bromination of
alkanes, reaction mechanisms and uses of products
Doc Brown's
Advanced Level Chemistry 
WJEC A2
chemistry
