Specification points

OCR AS Level Chemistry B (Salters) H033

197 points in 8 topics, with OCR's codes and titles.

Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.

1 Development of practical skills in chemistry

1.1 Practical skills assessed in a written examination
1.1.1 Planning
1.1.1(a) Designing experiments to solve practical problems
1.1.1(b) Identifying variables to control
1.1.1(c) Judging whether a method suits the aims
1.1.2 Implementing
1.1.2(a) Using practical apparatus and techniques correctly
1.1.2(b) Units for measurements
1.1.2(c) Presenting observations and data
1.1.3 Analysis
1.1.3(a) Processing and interpreting experimental results
1.1.3(b) Maths skills for analysing quantitative data
1.1.3(c) Significant figures
1.1.3(d) Plotting and interpreting graphs of results
1.1.4 Evaluation
1.1.4(a) Evaluating results and drawing conclusions
1.1.4(b) Spotting anomalies in measurements
1.1.4(c) Limitations of experimental procedures
1.1.4(d) Precision, accuracy, errors and uncertainties
1.1.4(e) Improving experimental procedures and apparatus

EL Elements of life

EL(a) Atomic structure and relative mass terms
EL(b) Mole calculations for masses, with practical work
EL(b)(i) Mole calculations: masses, formulae and yields
EL(b)(ii) Measuring masses of solids
EL(c) Concentration calculations and titrations
EL(c)(i) Mole calculations: concentration and titrations
EL(c)(ii) Measuring volumes and preparing standard solutions
EL(d) Full and ionic equations with state symbols
EL(e) Representing electrons in orbitals
EL(f) Electron configurations using sub-shells
EL(f)(i) Configurations of atoms from hydrogen to krypton
EL(f)(ii) Configurations of s- and p-block ions
EL(f)(iii) Outer sub-shells of other periods
EL(g) Developing models of the atom
EL(h) Nuclear fusion and element formation
EL(i) Bonding and dot-and-cross diagrams
EL(j) Giant lattice and simple molecular structures
EL(k) Shapes of molecules and ions
EL(l) Sodium chloride type lattices
EL(m) The periodic table and predicting properties
EL(n) Melting point trends in Periods 2 and 3
EL(o) Ion charges and formulae of common ions
EL(p) Group 2 elements and compounds
EL(q) Ionisation enthalpy and its trends
EL(r) Charge density and carbonate stability
EL(s) Solubility of salts and tests for ions
EL(t) Acids, bases and making salts
EL(u) Basic Group 2 oxides and hydroxides
EL(v) Order of the electromagnetic spectrum
EL(w) Atomic spectra and electron transitions
EL(w)(i) Absorption and emission spectra
EL(w)(ii) Features of atomic spectra
EL(w)(iii) Energy and frequency: ∆E = hν
EL(w)(iv) Frequency, wavelength and speed of light
EL(w)(v) Flame colours of metal ions
EL(x) Relative atomic mass from mass spectra

DF Developing fuels

DF(a) Mole calculations for gases, equations and enthalpy
DF(b) Sigma and pi bonds in organic compounds
DF(c) Molecular shape and 3-D wedge diagrams
DF(d) Enthalpy change terms
DF(e) Bond enthalpy and overall enthalpy change
DF(f) Measuring energy transferred in reactions
DF(g) Hess' law enthalpy cycles
DF(h) Catalysis terms
DF(i) How heterogeneous catalysts work
DF(j) Catalytic cracking
DF(k) Atmospheric pollutants from fuels
DF(l) Organic classification terms
DF(m) Naming alkanes, cycloalkanes, alkenes and alcohols
DF(n) Combustion equations for organic compounds
DF(o) Addition reactions of alkenes
DF(o)(i) Bromine addition and testing for unsaturation
DF(o)(ii) Addition of hydrogen bromide
DF(o)(iii) Hydrogenation to alkanes
DF(o)(iv) Hydration to alcohols
DF(p) Addition polymers and their monomers
DF(q) Electrophilic addition mechanism and its evidence
DF(r) Full, shortened and skeletal formulae
DF(s) Structural isomerism
DF(t) E/Z and cis/trans isomerism
DF(t)(i) E/Z naming of isomers
DF(t)(ii) Cis/trans naming of isomers
DF(u) Fossil fuels, biofuels and hydrogen compared

ES Elements from the sea

ES(a) Atom economy
ES(b) Extracting halogens from seawater
ES(c) Electrolysis and electrode half-equations
ES(c)(i) Products at the anode
ES(c)(ii) Products at the cathode
ES(d) Redox as electron transfer
ES(d)(i) Half-equations for oxidation and reduction
ES(d)(ii) Oxidation and reduction as electron loss and gain
ES(d)(iii) Oxidising and reducing agents
ES(e) Oxidation states in redox reactions
ES(f) Balancing redox equations and iodine–thiosulfate titrations
ES(g) Naming inorganic compounds
ES(h) Physical properties of the halogens
ES(i) Relative reactivity of the halogens
ES(j) Halogen displacement reactions
ES(k) Silver halide precipitates and ammonia
ES(l) Preparing hydrogen halides
ES(m) Properties of hydrogen halides
ES(n) Chlorine: risks and uses
ES(o) Features of dynamic equilibrium
ES(p) The equilibrium constant Kc
ES(q) Kc, concentration, temperature and pressure

OZ The ozone story

OZ(a) Electronegativity and bond polarity
OZ(b) Instantaneous and permanent dipole bonds
OZ(c) Hydrogen bonding in water and ice
OZ(d) Boiling points and intermolecular bonds
OZ(e) Activation enthalpy and enthalpy profiles
OZ(f) Collision theory and factors affecting rate
OZ(g) Catalysts lowering activation enthalpy
OZ(h) Homogeneous catalysis and intermediates
OZ(i) Gas composition in percent and ppm
OZ(j) Haloalkanes and amines as homologous series
OZ(j)(i) Haloalkanes and their naming
OZ(j)(ii) Amines
OZ(k) Properties of haloalkanes
OZ(k)(i) Boiling points of haloalkanes
OZ(k)(ii) Nucleophilic substitution of haloalkanes
OZ(l) Substitution and nucleophiles
OZ(m) The SN2 mechanism
OZ(n) Haloalkane reactivity: bond enthalpy or polarity
OZ(o) Homolytic and heterolytic fission
OZ(p) Radicals and radical mechanisms
OZ(p)(i) Radical chain reaction steps
OZ(p)(ii) Radical halogenation of alkanes
OZ(p)(iii) Half curly arrows
OZ(q) Haloalkanes and ozone depletion
OZ(r) Ozone in the stratosphere and troposphere
OZ(r)(i) Ozone as a sunscreen against UV
OZ(r)(ii) Ozone pollution and photochemical smog
OZ(s) Radiation from the Earth and Sun
OZ(t) UV and visible light exciting electrons
OZ(u) Frequency, wavelength and energy calculations

5d How Science Works (HSW)

HSW1 Theories and models to explain science
HSW2 Posing questions and presenting scientific arguments
HSW3 Methods, including ICT, to answer scientific questions
HSW4 Experimental work and risk management
HSW5 Analysing data, correlation and causation
HSW6 Evaluating methods, evidence and data
HSW7 How scientific knowledge develops over time
HSW8 Communicating science with correct terminology
HSW9 Applications, benefits and risks of science
HSW10 Ethical and environmental issues in science
HSW11 Scientific community and validating knowledge
HSW12 Science in society's decision making