IB Chemistry Topic 2 & 12 Videos
Ionic Bonding
This video explains ionic bonding, its formation between metals and non-metals, and its key properties.
Covalent Bonding
This video introduces covalent bonding, including single, double, and triple bonds, along with exceptions to the octet rule, such as hydrogen and boron.
Polarity
This video covers bond and molecular polarity, explaining the effects of electronegativity and symmetry on the polarity of molecules.
Lewis Structures
This video teaches how to draw Lewis structures, including handling expanded octets and determining electron pair distributions.
Resonance & Benzene
This video explores resonance structures, delocalized electrons, and the resonance-stabilized structure of benzene.
VSEPR Theory
This video explains the Valence Shell Electron Pair Repulsion (VSEPR) theory for predicting molecular geometries and bond angles.
Allotropes
This video discusses the allotropes of carbon and silicon, highlighting their structures and properties, including conductivity and melting points.
Intermolecular Forces
This video examines London dispersion forces, dipole-dipole forces, and hydrogen bonds, and their effects on physical properties.
Solubility & Chromatography
This video explores solubility rules, the role of intermolecular forces, and the basics of chromatography for separating compounds.
Formal Charge
This video explains formal charge, its calculation, and how it helps determine the preferred Lewis structure for molecules.
Advanced VSEPR
This video extends VSEPR theory to cover advanced geometries, such as trigonal bipyramidal and octahedral shapes, including lone pair effects.
Bonds & Hybridization
This video covers sigma and pi bonds, their roles in multiple bonds, and the process of hybridization in covalent bonding.
Ethene, Ethyne & Delocalization
This video illustrates hybridization in ethene and ethyne and explains delocalization in resonance structures.
Metallic Bonding
This video explores metallic bonding, its properties, and the factors affecting bond strength, including ionic charge and radius.
Transition Metals
This video explores the metallic properties of transition metals, their d-orbital contributions, and periodic trends in melting points.
Bonding Triangle
This video introduces the bonding triangle, highlighting the continuum of bonding types and discussing alloys, polymers, and their applications.
Condensation Polymers
This video discusses condensation polymerization, focusing on the formation of polyesters and polyamides.