Simulation Description Diamond, Graphite & Graphene — Interactive 3D Carbon Allotropes · Giant Covalent Structures This simulation lets students explore all three carbon allotropes in 3D, switching between them to compare bonding, geometry, and electron behaviour directly. Each mode has its own camera angle chosen to reveal the structure’s key feature — diamond at a […]
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Metal Alloys Simulation — Description The simulation shows a 3D hexagonal close-packed metallic lattice (6 rows × 9 columns × 3 deep) that students can orbit, zoom, and interrogate by hovering individual atoms. Three controls drive the core chemistry: ⚗ Alloy transitions the lattice from pure metal to alloy — substitutional atoms grow in at
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Polymer and Monomer Simulation — Description The simulation Three parallel poly(ethene) chains run side by side in 3D space. Carbon atoms (grey-blue spheres) form the zigzag backbone; hydrogen atoms (smaller cream spheres) branch off each carbon. Yellow lines between the chains represent weak van der Waals forces — the intermolecular forces that hold chains together
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Giant Ionic Lattice Simulation — Description The simulation shows a 5×4×4 NaCl lattice of 80 ions rendered in 3D using Three.js. Na⁺ ions appear purple and smaller, Cl⁻ ions appear green and larger, reflecting their real relative ionic radii. Yellow lines represent the electrostatic attraction between each Na⁺ and its six adjacent Cl⁻ neighbours. Students
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Metallic bonding simulation What the simulation shows ⚡ Apply Voltage — electrons visibly drift toward the + terminal; sweeping light pulse reinforces directionality; teaches electrical conductivity 🔨 Apply Force — top two ion layers slide smoothly over the bottom two; a slip plane appears; cross-layer bonds disappear, showing no bond breakage; teaches malleability and ductility
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