Structure 2

1

S-2.1.1 Formation of ions

IB Chemistry SL lesson covering ion formation, electron transfer, cations, anions and stable electron configurations.

2

S-2.1.2 Ionic bonding and formulae

IB Chemistry SL lesson covering ionic bonding, electrostatic attraction and deriving formulas of ionic compounds from ion charges.

3

S-2.1.3 Ionic lattices and properties

IB Chemistry SL lesson covering ionic lattice structures and how bonding explains the physical properties of ionic compounds.

4

S-2.2.1&2.2.2 Covalent bonding and bond multiplicity

IB Chemistry SL lesson covering covalent bonding, shared electron pairs and single, double and triple covalent bonds.

5

S-2.2.10 Chromatography

IB Chemistry SL lesson covering chromatography, stationary and mobile phases, separation of mixtures and Rf values.

6

S-2.2.11 Resonance Structures and Delocalization

Learn how resonance structures represent electron delocalization in molecules and ions, and use resonance to explain equivalent bonds and intermediate bond lengths.

7

S-2.2.12 Benzene and Electron Delocalization

Explore the delocalized π-electron system in benzene and use physical, chemical and thermochemical evidence to explain its resonance stabilization and characteristic bonding.

8

S-2.2.13 VSEPR Theory: Five and Six Electron Domains

Extend VSEPR theory to species with five and six electron domains, predicting electron-domain and molecular geometries and the preferred positions of lone pairs.

9

S-2.2.14 Formal Charge and Lewis Structures

Learn how to calculate formal charge and use formal charge values to evaluate and select the preferred Lewis structure for molecules and ions.

10

S-2.2.15 Sigma (σ) and Pi (π) Bonds

Explore how σ and π bonds form through orbital overlap, distinguish between their bonding arrangements, and identify and count σ and π bonds in molecules and ions.

11

S-2.2.16 Hybridization and Molecular Geometry

Explore sp, sp² and sp³ hybridization and relate the number of electron domains around an atom to orbital hybridization, molecular geometry and bonding.

12

S-2.2.3 Coordinated bonding

IB Chemistry SL lesson covering coordinate bonding, electron-pair donation and the representation of coordinate covalent bonds.

13

S-2.2.4 Molecular shapes

IB Chemistry SL lesson covering VSEPR theory, electron domains, bond angles and predicting molecular shapes.

14

S-2.2.5& 2.2.6 Bond polarity and molecular polarity

IB Chemistry SL lesson covering electronegativity, bond polarity, molecular shape, dipoles and predicting molecular polarity.

15

S-2.2.7 Giant covalent structures

IB Chemistry SL lesson covering giant covalent structures and how their bonding and structure explain their physical properties.

16

S-2.2.8&2.2.9 Intermolecular forces

IB Chemistry SL lesson covering London dispersion forces, dipole–dipole interactions, hydrogen bonding and their effects on physical properties.

17

S-2.3.1 & 2.3.2 Metallic bonding and properties

IB Chemistry SL lesson covering metallic bonding, delocalized electrons and how bonding explains the characteristic properties of metals.

18

S-2.3.3 Transition Elements and Their Properties

Explore the characteristic properties of transition elements and relate their variable oxidation states, catalytic behaviour, magnetic properties and coloured compounds to their partially filled d orbitals.

19

S-2.4.1 & 2.4.2 Bonding continuum and bonding triangle

IB Chemistry SL lesson covering the bonding continuum, electronegativity differences and the bonding triangle.

20

S-2.4.3 Alloys

IB Chemistry SL lesson covering alloy structure and how composition affects the physical properties of metals.

21

S-2.4.4 & 2.4.5 Polymers and addition polymers

IB Chemistry SL lesson covering polymers, addition polymerization, monomers, repeating units and polymer structures.

22

S-2.4.6 Condensation Polymers

Explore how condensation polymers form from bifunctional monomers, identify ester and amide linkages, and deduce repeating units and monomers from polymer structures.