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Titre
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Intermolecular Forces and Molecules - Interactive Lecture Demonstration |
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Description
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This Interactive Lecture Demonstration Guide has the following goals. Students will be able to: • Use VSEPR theory to construct common molecules;
• Sketch electron density and identify partial charges based on molecule geometry and electronegativity; • Distinguish between bond and molecule dipoles; • Classify molecules as polar or non-polar; • Compare and contrast permanent and induced dipoles; • Identify hydrogen-bonding, and discuss its origin in terms of molecule geometry and electronegativity; • Explain properties, such as boiling or melting point, by considering different intermolecular forces; • Relate the relative strength of intermolecular forces with melting point or boiling point data, and with particle-level representations of substances at different temperatures; • Describe the dynamic particle motion in a liquid, including the arrangement and motion of molecules accompanying hydrogen-bonding and ion-dipole interactions; • Explain ion-pairing at the particle-level, and describe how this affects colligative properties. |
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Sujet
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Chimie |
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Niveau
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Premier cycle - Intro |
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Type
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Démonstration |
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Durée
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60 minutes |
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Réponses incluses
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Non |
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Langue
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Anglais |
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Mots clés
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Electrostatic potential, VSEPR, dipoles, electronegativity, intermolecular forces, ion-pairing, molecule geometry, partial charges, phase changes, polar and non-polar molecules |
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Simulation(s)
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Polarité des Molécules (HTML5), Polarité de la molécule, VSEPR (HTML5), VSEPR, États de la matière (HTML5), États de la matière, Etats de la matière: les bases (HTML5), States of Matter: Basics, Solutions de sucre et de sel |
