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Preview of S2.2 Formal Charge, HL (IBDP Chemistry)

S2.2 Formal Charge, HL (IBDP Chemistry)

This PowerPoint lesson introduces formal charge as a tool for evaluating Lewis structures, helping Higher Level IBDP Chemistry students determine the most stable electron arrangement. Designed for first assessment 2025, it develops the analytical skills required to justify preferred structures when multiple valid Lewis formulas exist. Formal charge is a theoretical bookkeeping method used to compare the valence electrons of a free atom with the electrons assigned to it in a Lewis structure. This
Preview of S3.2 Stereoisomers: Cis-Trans Isomerism, HL (IBDP Chemistry)

S3.2 Stereoisomers: Cis-Trans Isomerism, HL (IBDP Chemistry)

This PowerPoint lesson covers cis–trans isomerism for IBDP Chemistry HL (first examination 2025), explaining stereoisomerism, restricted rotation and identification in alkenes and cyclic compounds. It provides a clear, structured approach to recognising and explaining this important type of isomerism. Cis–trans isomerism is a type of stereoisomerism where compounds have the same structural formula but differ in the spatial arrangement of atoms due to restricted rotation. This restriction arises
Preview of S2.3 Physical Properties and Applications of Metals (IBDP Chemistry)

S2.3 Physical Properties and Applications of Metals (IBDP Chemistry)

This PowerPoint lesson explains the physical properties and applications of metals, linking observable properties directly to metallic bonding and structure. Designed for IBDP Chemistry (first assessment 2025), it helps students move beyond memorisation to a deeper, structure-based understanding required for exam success. The physical properties of metals arise from the presence of metal cations arranged in a lattice and a sea of delocalised electrons. This lesson clearly defines key terms such
Preview of S2.3 Metallic Bonding and Structure (IBDP Chemistry)

S2.3 Metallic Bonding and Structure (IBDP Chemistry)

This PowerPoint lesson introduces metallic bonding and metallic structure, helping IBDP Chemistry students understand how metals are held together and why they have characteristic physical properties. Designed for first assessment 2025, it provides a clear, concept-focused explanation suitable for classroom teaching and revision. Metallic bonding is defined as the electrostatic attraction between a lattice of positive metal ions and a sea of delocalised electrons. This lesson develops this idea
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