Course curriculum

  • 1

    Introduction to AS-Level and A-Level Chemistry 9701

    • Introduction to AS-Level and A-Level Chemistry 9701

  • 2

    (AS-Level) Chapter 1: "Atomic structure" (28 video lectures)

    • Subtopic 1.1. : "Dense nucleus, empty space, and shells in the empty space around the dense nucleus," Video 1 out of 28; A Level Chemistry 9701

    • Subtopic 1.2. : "Protons, Neutrons and Electrons: Their relative charges and relative masses"; Video 2 out of 28; A Level Chemistry 9701

    • Subtopic 1.3. : "Atomic number, Proton number, Mass number and Nucleon number"; Video 3 out of 28; A Level Chemistry 9701

    • Subtopic 1.4. : "Distribution of mass and charge within an atom"; Video 4 out of 28; A Level Chemistry 9701

    • Subtopic 1.5. : "Behaviour of beams of protons, neutrons and electrons moving at the same velocity in an electric field"; Video 5 out of 28; A Level Chemistry 9701

    • Subtopic 1.6. : "Detail about Isotopes, and determine numbers of protons, neutrons and electrons present in both atoms, isotopes and ions"; Video 6 out of 28; A Level Chemistry 9701

    • Subtopic 1.7. : "Particles in an atom, and Isotopes: Challenging Question#1 and Qeustion#2"; Video 7 out of 28; A Level Chemistry 9701

    • Subtopic 1.8. : "Particles in an atom, and Isotopes: Challenging Question # 3"; Video 8 out of 28; A Level Chemistry 9701

    • Subtopic 1.9. : "Particles in an atom, and Isotopes: Challenging Question # 4"; Video 9 out of 28; A Level Chemistry 9701

    • Subtopic 1.10. : "Particles in an atom, and Isotopes: Challenging Question # 5"; Video 10 out of 28; A Level Chemistry 9701

    • Subtopic 1.11. : "Simple Electronic Configuration, and Principal Quantum Shells "; Video 11 out of 28; A Level Chemistry 9701

    • Subtopic 1.12. : "Ionization Energy △Hi, First Ionization Energy △Hi1, Second Ionization Energy △Hi2, and Third Ionization Energy △Hi3"; Video 12 out of 28; A Level Chemistry 9701

    • Subtopic 1.13. : "Factors affecting Ionization Energy △Hi"; Video 13 out of 28; A Level Chemistry 9701

    • Subtopic 1.14. : "Interpreting Successive Ionisation Energies"; Video 14 out of 28; A Level Chemistry 9701

    • Subtopic 1.15. : "Subshells and Atomic orbitals"; Video 15 out of 28; A Level Chemistry 9701

    • Subtopic 1.16. : "Shape of orbitals"; Video 16 out of 28; A Level Chemistry 9701

    • Subtopic 1.17. : "Filling the shells and orbitals, and the Principal Quantum Number"; Video 17 out of 28; A Level Chemistry 9701

    • Subtopic 1.18. : "Electronic Configuration from Hydrogen to Krypton, involving “s”, “p” and “d” sub-shells, rather than “n” only"; Video 18 out of 28; A Level Chemistry 9701

    • Subtopic 1.19. : "Orbitals and the Periodic Table"; Video 19 out of 28; A Level Chemistry 9701

    • Subtopic 1.20. : "Filling the orbitals, and representing the 'spin' of the electron"; Video 20 out of 28; A Level Chemistry 9701

    • Subtopic 1.21. : "Electronic configuration of ions"; Video 21 out of 28; A Level Chemistry 9701

    • Subtopic 1.22. : "Patterns in Ionization Energies in the Periodic Table"; Video 22 out of 28; A Level Chemistry 9701

    • Subtopic 1.23. : "Electrons in atoms: Challenging Question # 1 and Question # 2"; Video 23 out of 28; A Level Chemistry 9701

    • Subtopic 1.24. : "Electrons in atoms: Challenging Question # 3 and Question # 4"; Video 24 out of 28; A Level Chemistry 9701

    • Subtopic 1.25. : "Electrons in atoms: Challenging Question # 5"; Video 25 out of 28; A Level Chemistry 9701

    • Subtopic 1.26. : "Electrons in atoms: Challenging Question # 6"; Video 26 out of 28; A Level Chemistry 9701

    • Subtopic 1.27. : "Electrons in atoms: Challenging Question # 7"; Video 27 out of 28; A Level Chemistry 9701

    • Subtopic 1.28. : "Electrons in atoms: Challenging Question # 8"; Video 28 out of 28; A Level Chemistry 9701

    • MCQs

  • 3

    (AS-Level) Chapter 2: "Atoms, molecules and stoichiometry" (16 video lectures)

    • Subtopic 2(a): "Introduction"; Video 1 out of 16; Chemistry O Level 9701

    • Subtopic 2(b):"Symbols of the elements and formulae of the compounds: Revision of O-Level Syllabus of Chemistry 5070"; Video 2 out of 16; Chemistry O Level 9701

    • Subtopic 2(c):"Formulae of simple compounds: Revision of O-Level Syllabus of Chemistry 5070"; Video 3 out of 16; Chemistry O Level 9701

    • Subtopic 2(d):"Formulae of ionic compounds: Revision of O-Level Syllabus of Chemistry 5070"; Video 4 out of 16; Chemistry O Level 9701

    • Subtopic 2(e):"Construct chemical equations, with state symbols, including ionic equations: Revision of O-Level Syllabus of Chemistry 5070"; Video 5 out of 16; Chemistry O Level 9701

    • Subtopic 2(f):"Relative atomic mass, Ar : Revision of O-Level Syllabus of Chemistry 5070"; Video 6 out of 16; Chemistry O Level 9701

    • Subtopic 2(g):"Relative molecular mass, Mr, and calculate relative molecular mass (and relative formula mass) : Revision of O-Level Syllabus of Chemistry 5070"; Video 7 out of 16; Chemistry O Level 9701

    • Subtopic 2(h):"Calculate the percentage mass of an element in a compound: Revision of O-Level Syllabus of Chemistry 5070"; Video 8 out of 16; Chemistry O Level 9701

    • Subtopic 2(i):"Calculate empirical and molecular formulae from relevant data: Revision of O-Level Syllabus of Chemistry 5070"; Video 9 out of 16; Chemistry O Level 9701

    • Subtopic 2(j):"Calculate stoichiometric reacting masses: Revision of O-Level Syllabus of Chemistry 5070"; Video 10 out of 16; Chemistry O Level 9701

    • Subtopic 2(k):"The concept of solution concentration (in mol/dm3 or g/dm3) to process the results of volumetric experiments and to solve simple problems: Revision of O-Level Syllabus of Chemistry 5070"; Video 11 out of 16; Chemistry O Level 9701

    • Subtopic 2(l):"Calculate % yield and % purity: Revision of O-Level Syllabus of Chemistry 5070"; Video 12 out of 16; Chemistry O Level 9701

    • Subtopic 2(m): "Anhydrous, hydrated and water of crystallisation: Revision of O-Level Syllabus of Chemistry 5070"; Video 13 out of 16; Chemistry O Level 9701

    • Subtopic 2(n): "Relative masses of atoms and molecules, the mole and the Avogadro constant: AS/A Level Syllabus"; Video 14 out of 16; Chemistry O Level 9701

    • Subtopic 2(o): "Formulae: AS/A Level Syllabus"; Video 15 out of 16; Chemistry O Level 9701

    • Subtopic 2(p): "Reacting masses and volumes (of solutions and gases): AS/A Level Syllabus"; Video 16 out of 16; Chemistry O Level 9701

  • 4

    (AS-Level) Chapter 3: "Chemical Bonding" (28 video lectures)

    • Subtopic 3(a):"Define ionic bonding as the electrostatic attraction between oppositely charged ions (positively charged cations and negatively charged anions)"; Video 1 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(b):" Use dot-and-cross diagrams to illustrate ionic bonding"; Video 2 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(c):"Describe ionic bonding including the examples of NaCl, MgO, CaCl2 and CaF2"; Video 3 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(d):"Define covalent bonding as electrostatic attraction between the nuclei of two atoms and a shared pair of electrons, including examples of H2, O2, H2O, N2, Cl2, HCl, CO2, NH3, CH4, CH4, and C2H6"; Video 4 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(e): "Understand that elements in period 3 can expand their octet including in the compounds sulfur dioxide, SO2, phosphorus pentachloride, PCl5, and sulfur hexafluoride, SF6"; Video 5 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(f): "Describe coordinate (dative covalent) bonding, including in the reaction between ammonia and hydrogen chloride gases to form the ammonium ion, NH4+, and in the Al2Cl6 molecule"; Video 6 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(g): "Describe covalent bonds in terms of orbital overlap giving σ (direct overlap) and π bonds (sideways overlap); Video 7 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(h): "Describe how the σ and π bonds form in molecules including H2, C2H6, C2H4, HCN and N2"; Video 8 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(i): "Use the concept of hybridisation to describe sp, sp2 and sp3 orbitals"; Video 9 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(j): "The concepts of Bond Energy and Bond Length"; Video 10 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(k): "Use bond energy values and the concept of bond length to compare the reactivity of covalent molecules"; Video 11 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(l): "The VSEPR Theory"; Video 12 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(m): “State and explain the shapes of, and bond angles in, molecules by using the VSEPR Theory, including as simple examples: BF3, CO2, CH4, NH3, H2O, SF6, PF5”; Video 13 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(n): “Predict the shapes of, and bond angles in, molecules and ions analogous to BF3, CO2, CH4, NH3, H2O, SF6, PF5”; Video 14 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(o):“Define electronegativity as the power of an atom to attract electrons to itself”; Video 15 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(p):“Explain the factors influencing the electronegativities of the elements in terms of nuclear charge, atomic radius and shielding by inner shells and sub-shells”; Video 16 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(q):“State and explain the trends in electronegativity across a period and down a group of the Periodic Table”; Video 17 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(r):“Use the concept of electronegativity to explain bond polarity and dipole moments of molecules”; Video 18 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(s):“Use the differences in Pauling electronegativity values to predict the formation of ionic and covalent bonds”; Video 19 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(t):“Metallic Bonding”; Video 20 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(u):“Intermolecular Forces or Van Der Waals' Forces”; Video 21 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(v):“Instantaneus Dipole - Induced Dipole (id-id) forces or London Dispersion Forces”; Video 22 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(w): "Permanent Dipole - Permanent Dipole (pd-pd) forces”; Video 23 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(x): "Hydrogen bonding and understand that it is a special case of permanent dipole–permanent dipole (pd-pd) force between molecules where hydrogen is bonded to a highly electronegative atom"; Video 24 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(y): "The effect and importance of hydrogen bonding in water and ice"; Video 25 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(z): "Challenging Questions 1, 2 and 3 related to the Chemical Bonding"; Video 26 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(aa): "Challenging Questions 4, 5 and 6 related to the Chemical Bonding"; Video 27 out of 28; Chemistry AS/A Level 9701

    • Subtopic 3(ab): "Challenging Questions 7, 8 and 9 related to the Chemical Bonding"; Video 28 out of 28; Chemistry AS/A Level 9701

  • 5

    (AS-Level) Chapter 4: "States of matter" (9 video lectures)

    • Subtopic 4(a): "Explain the origin of pressure in a gas in terms of collisions between gas molecules and the wall of the container"; Video 1 out of 9; Chemistry AS/A Level 9701

    • Subtopic 4(b): "Calculations for ideal gases that have zero particle volume and no intermolecular forces of attraction using the ideal gas equation pV=nRT "; Video 2 out of 9; Chemistry AS/A Level 9701

    • Subtopic 4(c): "Calculating relative molecular mass, Mr"; Video 3 out of 9; Chemistry AS/A Level 9701

    • Subtopic 4(d): "Describe, in simple terms, the lattice structure of a crystalline solid which is giant ionic, including sodium chloride and magnesium oxide"; Video 4 out of 9; Chemistry AS/A Level 9701

    • Subtopic 4(e): "Describe, in simple terms, the lattice structure of a crystalline solid which is simple molecular, including iodine, buckminsterfullerene C60 and ice"; Video 5 out of 9; Chemistry AS/A Level 9701

    • Subtopic 4(f): "Describe, in simple terms, the lattice structure of a crystalline solid which is giant molecular, including silicon (IV) oxide, graphite and diamond"; Video 6 out of 9; Chemistry AS/A Level 970

    • Subtopic 4(g): "Describe, in simple terms, the lattice structure of a crystalline solid which is giant metallic, including copper"; Video 7 out of 9; Chemistry AS/A Level 9701

    • Subtopic 4(h): "Describe, interpret and predict the effect of different types of structure and bonding on the physical properties of substances"; Video 8 out of 9; Chemistry AS/A Level 9701

    • Subtopic 4(i): "Challenging Questions"; Video 9 out of 9; Chemistry AS/A Level 9701

  • 6

    (AS-Level) Chapter 5: "Chemical Energetics" (11 video lectures)

    • Subtopic 5(a): "Understand that chemical reactions are accompanied by enthalpy changes and these changes can be exothermic (ΔH is negative) or endothermic (ΔH is positive); and Construct and interpret a reaction pathway diagram"; AS/ALevel Chemistry 9701

    • Subtopic 5(b): "Measuring Enthalpy changes during combustion"; AS/A Level Chemistry 9701

    • Subtopic 5(c): “Standard conditions (⦵), Enthalpy change with particular reference to: Reaction, ΔH r , Formation, ΔH f, Combustion, ΔH c , Neutralisation, ΔH neut”; Chemistry AS/A Level 9701

    • Subtopic 5 (d): Revision Video #1 from O level 5070: "Describe the meaning of enthalpy change in terms of exothermic (∆H negative) and endothermic (∆H positive) reactions”

    • Subtopic 5 (e): Revision Video #2 from O level 5070: "Describe bond breaking as an endothermic process and bond making as an exothermic process”

    • Subtopic 5 (f): Revision Video #3 from O level 5070: "Explain overall enthalpy changes in terms of the energy changes associated with the breaking and making of covalent bonds"

    • Subtopic 5(g): Revision Video #4 from Olevel 5070: "Represent energy changes by energy profile diagrams, including reaction enthalpy changes and activation energies "

    • Subtopic 5(h): “Calculate enthalpy changes from appropriate experimental results, including the use of the relationships q = mcΔT and ΔH = –mcΔT”; Chemistry AS/A Level 9701

    • Subtopic 5(i): “Apply Hess’s Law to construct simple energy cycles”; Chemistry AS/A Level 9701

    • Subtopic 5(j): “Apply Hess’s Law to determine enthalpy changes that cannot be found by direct experiment”; Chemistry AS/A Level 9701 (Please see below for getting the hint for Assignment of Q#9)

    • Subtopic 5(k): “Carry out calculations using cycles and relevant energy terms, including use of bond energy data”; Chemistry AS/A Level 9701 (Please see below for getting the hint for solving Q#11)

  • 7

    (AS-Level) Chapter 6: "Electrochemistry" (14 video lectures)

    • Introduction to the syllabus, followed by 8 Revision Videos from O Level about the terms like redox, oxidation, reduction, oxidation number, oxidising agent, reducing agent and Roman numeral to indicate the magnitude of the oxidation number of an element

    • O Level's Revision Lecture # 1: "Use of aqueous sodium hydroxide and aqueous ammonia to identify the following aqueous cations: Aluminium, Ammonium, Calcium, Chromium(III), Copper(II), Iron(II), Iron(III) and Zinc"

    • O Level's Revision Lecture # 2: "Describe tests to identify the following anions: carbonate, chloride, iodide, nitrate, sulfate and sulfite"

    • O Level's Revision Lecture # 3: "Describe the formation of ionic bonds between metals and non-metals, e.g. NaCl; MgCl2"

    • O Level's Revision Lecture # 4: "State that ionic materials contain a giant lattice in which the ions are held by electrostatic attraction, e.g. NaCl (candidates will not be required to draw diagrams of lattices)"

    • O Level's Revision Lecture # 5: "Define oxidation and reduction (redox) in terms of oxygen/hydrogen gain/loss"

    • O Level's Revision Lecture # 6: "Define redox in terms of electron transfer"

    • O Level's Revision Lecture # 7: "Identify redox reactions in terms of oxygen/hydrogen, and/or electron, gain/loss (calculation of oxidation numbers is not required)"

    • O Level's Revision Lecture # 8: "Describe the use of aqueous potassium iodide in testing for oxidising agents and acidified potassium manganate (VII) in testing for reducing agents from the resulting colour changes"

    • Subtopic 6(a): "Explain and use the terms redox, oxidation, reduction and disproportionation in terms of electron transfer and changes in oxidation number"; AS/A Level Chemistry 9701

    • Subtopic 6(b): "Calculate oxidation numbers of elements in compounds and ions"; AS/A Level Chemistry 9701

    • Subtopic 6(c): "Explain and use the terms oxidising agent and reducing agent"; AS/A Level Chemistry 9701

    • Subtopic 6(d): "Use a Roman numeral to indicate the magnitude of the oxidation number of an element"; AS/A Level Chemistry 9701

    • Subtopic 6(e): "Use changes in oxidation numbers to help balance chemical equations"; AS/A Level Chemistry 9701

  • 8

    Live Sessions; Chemistry AS/A Level 9701

    • 1st Live Session; Chapter #1: Atomic Structure (AS Level); Chemistry 9701

    • November 11, 2020 (Wednesday); 2nd Live Session; AS & A Level; Chemistry 9701

    • November 25, 2020 (Wednesday); 3rd Live Session; AS & A Level; Chemistry 9701

    • December 23, 2020 (Wednesday); 4th Live Session; AS & A Level; Chemistry 9701

    • January 13, 2021 (Wednesday); 5th Live Session; AS & A Level; Chemistry 9701