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Listed under:  Science  >  Matter  >  Chemical reactions  >  Bonding (Chemistry)  >  Ionic bonding
Collection

VisChem topic1: chemical bonding in pure substances in different states

This web page contains a collection of animations depicting copper, sodium chloride, water and oxygen at the molecular level. The animations show the arrangement of atoms, molecules and ions in solid, liquid and gaseous states as well as illustrating changes of state. Two animations demonstrate alternative methods of representing ...

Collection

VisChem topic 2: dissolution of an ionic salt

This web page contains a video clip, animations and student worksheets exploring the dissolving of ionic solids in water. The video clip has both filmed and animated scenes that compare the dissolving of sodium chloride with melting and show how the dissolving process can be represented by chemical equations. Important ...

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VisChem topic 3: precipitation of an ionic salt

This web page contains a video clip, animations and student worksheets exploring the precipitation of silver chloride. The video has both filmed and animated scenes showing the process at observational and molecular levels. It explains how the reaction can be represented by a chemical equation.

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VisChem topic 6: molecular structure, shape and polarity

This web page contains ten animations of molecules and compound ions as well as nine QTVR objects showing organic molecules. The animations rotate the molecules to show their structure fully. The QTVR objects can be manipulated by the user so that, as well as being rotated, different ways of modelling the molecules can be seen.

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VisChem topic 7: intermolecular forces

This web page contains animations demonstrating situations in which dispersion forces, ion-dipole forces and hydrogen bonding occur. Several animations show hydrated ions, and the effect of hydration on dissolving and reaction rates is discussed in explanatory text. A document containing lesson plans and student worksheets ...

Collection

VisChem topic 8: chemical properties of water and aqueous solutions

This web page contains video clips, animations and student worksheets that investigate the chemical properties of water and aqueous solutions. The major topics cover the structure and bonding of water, acids and bases, dissolving, ionic solutions, precipitation and complexation.

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VisChem topic 11: dynamic chemical equilibrium

This web page contains a video, animations and a student worksheet investigating the dynamic equilibrium associated with the iron(III) thiocyanate complex. The animations show important molecular-level segments from the video.

Collection

VisChem topic 12: acid-base reactions

This web page contains a video, animations and a student worksheet examining the proton-transfer reactions of acids and bases. Self-ionisation of water, acidity of hydrated metal ions, proton gain by ammonia molecules and proton loss from acetic acid are depicted. The animations show important molecular-level segments from ...

Collection

VisChem topic 13: redox reactions

This web page contains a video, animations and a student worksheet investigating the redox reaction between copper metal and silver ions. The animations show important molecular-level segments from the video.

Collection

VisChem topic 14: structure and properties of carbon compounds

This web page contains QTVR objects showing aspects of the structure of selected organic molecules. The QTVR objects can be manipulated by the user so that, as well as being rotated, different ways of modelling the molecules can be seen.

Interactive Resource

Laptop wrap: Modelling atoms

A page with a focus on exploring different models of the atom. Includes tasks to present models of the atom.

Interactive Resource

Electrons in atoms and molecules

This is an interactive resource about how the interactions of electrons with matter are central to many technologies from transistors, diodes, and smoke detectors to sophisticated imaging, lasers, and quantum computing. Students explore electron cloud models of atoms involved in covalent bonding and ionisation and relate ...