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S2.3 Metallic Bonding and Structure, SL (IBDP Chemistry)

S2.3 Metallic Bonding and Structure, SL (IBDP Chemistry)

Subject: Chemistry

Age range: 16+

Resource type: Lesson (complete)

Last updated

17 March 2026

pptx, 24.71 MB
pptx, 24.71 MB

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 step-by-step, showing how metal atoms lose their valence electrons to form cations arranged in a regular lattice, while the electrons become delocalised and free to move throughout the structure. The non-directional nature of metallic bonding is emphasised, helping students distinguish it from ionic and covalent bonding.

Students are introduced to the free electron (electron-sea) model and use it to explain the structure of metals at the atomic level. Clear diagrams and worked examples show how metals such as sodium, magnesium and aluminium differ in bonding strength due to the number of delocalised electrons per ion. Links are made between bonding and observable properties, including melting point trends and overall electrical neutrality.

The lesson also places metallic bonding in context by comparing it directly with ionic bonding and covalent bonding, supporting students in making accurate structural comparisons. Key terminology is clearly defined, and students are guided in sketching simple lattice diagrams showing metal cations and delocalised electrons.

The PowerPoint includes starter activities, clear learning outcomes, structured explanations, practice questions, and answers. It is ideal for introducing metallic bonding, reinforcing understanding, or supporting independent study.

File type included: PowerPoint (.pptx)
Last updated: January 2026 – explanations refined, diagrams clarified, and content checked against the 2025 IB Chemistry syllabus.

Get this resource as part of a bundle and save up to 38%

A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.

Bundle

BUNDLE S2.3 The Metallic Model SL & HL Content (IBDP Chemistry)

This PowerPoint bundle covers IBDP Chemistry Topic S2.3: The Metallic Model (SL & HL), explaining metallic bonding, structure, properties and transition metals for first examination 2025. It provides a clear, sequenced approach to help students understand how the metallic model explains the behaviour of metals. The metallic model describes metals as a lattice of positive metal cations surrounded by a “sea” of delocalised electrons. These mobile electrons are responsible for key properties such as electrical conductivity, thermal conductivity, malleability and ductility. This bundle supports students in linking bonding and structure directly to observable properties and trends across the periodic table. This resource includes four fully editable PowerPoint (.pptx) lessons, designed for both SL and HL teaching: • Metallic bonding and structure, including the electron-sea model and lattice arrangement • Strength of metallic bonding, focusing on ionic charge, ionic radius and electron density • Physical properties and applications of metals, linking bonding to conductivity, malleability and real-world uses • HL transition metals, including d-block characteristics, variable oxidation states and complex ion formation Each lesson includes: • Retrieval starters to activate prior knowledge • Clear definitions of key terms aligned to IB terminology • Step-by-step explanations of concepts and trends • Diagrams and models to support visual understanding • Practice questions with answers for consolidation The bundle is ideal for classroom delivery, revision, or flipped learning, and supports progression from core SL understanding to HL depth. It helps students develop strong conceptual links between bonding, structure and properties—essential for success in IB assessments. File types included: • 4 × Editable PowerPoint (.pptx) files Last updated: 2026 – includes improved sequencing, clearer explanations of bonding models, additional HL extension content, and enhanced practice questions aligned to IB assessment objectives.

£5.00
Bundle

BUNDLE S2.3 The Metallic Model SL Content (IBDP Chemistry)

This bundle of PowerPoints covers the Standard Level content of Topic 2.3 The Metallic Model for IBDP Chemistry (first examination 2025). It provides a clear, structured explanation of metallic bonding, metallic structure and the physical properties of metals, fully aligned to the updated syllabus. The metallic model describes metals as a lattice of positive metal cations held together by a “sea” of delocalised valence electrons. This electrostatic attraction between cations and mobile electrons explains key metallic properties such as electrical conductivity, thermal conductivity, malleability and ductility. Across the lessons, students build understanding from the basic definition of metallic bonding to explaining trends in melting point, hardness and conductivity using ionic radius, ionic charge and electron density. The bundle includes: • Metallic Bonding and Structure – definition of metallic bonding, crystalline lattices, the free electron model, comparison with ionic and covalent bonding • Strength of the Metallic Bond – factors affecting bond strength, trends down groups and across periods, links to melting point and hardness • Physical Properties and Applications of Metals – malleability, ductility, electrical and thermal conductivity, real-world applications and data use Each PowerPoint includes starter activities, key word definitions, clear explanations, diagrams, mini-whiteboard checks and structured practice questions with answers. There are also links to real data (e.g. NIST alloy database) and contextual examples such as aluminium recycling to support applications and CAS-style discussion. This resource is ideal for teaching, consolidation or revision of SL metallic bonding. File types included: Multiple PowerPoint files (.pptx) Last updated: January 2026 – improved sequencing, clarified exam wording and strengthened links between structure and property explanations.

£4.00

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