Intermolecular Forces and Molecules - Interactive Lecture Demonstration Een gouden ster duidt op activiteiten van hoge kwaliteit gesteund op onderzoek die de PhET ontwerp gidslijnen volgen.


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Titel Intermolecular Forces and Molecules - Interactive Lecture Demonstration
Beschrijving 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.
Onderwerp Chemie
Niveau Undergrad - Intro
Type Demonstratie
Duur 60 minuten
Antwoorden inbegrepen Neen
Taal Engels
Sleutelwoorden Electrostatic potential, VSEPR, dipoles, electronegativity, intermolecular forces, ion-pairing, molecule geometry, partial charges, phase changes, polar and non-polar molecules
Simulatie(s) Polariteit van moleculen (HTML5), polariteit molecuul, Vormen van moleculen (HTML5), Ruimtelijke structuren, Aggregatietoestanden (HTML5), De fasen van een stof, Aggregatietoestanden: eenvoudig (HTML5), De fasen van een stof: grondbeginselen, Suiker- en zoutoplossingen


Auteur(s) Ted Clark, Julia Chamberlain
Emailadres phethelp@colorado.edu
School PhET
Datum waarop ingediend 5-11-14
Datum waarop aangepast 26-7-17