Activity Number 204

	Overview and Learning Objectives
	Central Concepts
	Textbook References
	Benchmarks and Standards
	Activity Credits
	Requirements

Ionic Bonds

Interactive model, with minimal support

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	Overview and Learning Objectives This model allows you to see how an ionic crystal is formed when the temperature is lowered. You will observe that, in contrast to the fact that particles without charges often crystallize to most close-packed lattice structure, particles with charges tend to crystallize to a square lattice, which is not the most close-packed structure. return to top



	Central Concepts Key Concept: Ionic bonds are formed by electrostatic forces between charges on atoms. Ionic bonds are usually much stronger than the van der Waals potentials between atoms. Because of them, ions with positive and negative charges tend to stick together. Additional Related Concepts Physics/Chemistry Bonds Charge Ionic bonds Salt Solubility Solutions return to top



	Textbook References Biology (Prentice-Hall) New York Edition - Chapter Two - The Chemistry of Life Biology: Concepts and Connections (Pearson) 5th Edition - Chapter 2: The Chemical Basis of Life return to top



	Benchmarks and Standards NSES Physical-Science: Matter Structure/Properties - 3 Bonds between atoms are created when electrons are paired up (Full Text of Standard) return to top



	Activity Credits Created by CC Project: Molecular Workbench using Molecular Workbench return to top



	Requirements Java 1.5+ - Java 1.5+ is available for Windows, Linux, and Mac OS X 10.4 and greater. If you are using Mac OS X 10.3, you can download MW Version 1.3 and explore within it instead. return to top

These materials are based upon work supported by the
National Science Foundation under grant number DUE-0402553

Any opinions, findings, and conclusions
or recommendations expressed in this material are those of
the author(s) and do not necessarily reflect the views
of the National Science Foundation.

Ionic Bonds

Overview and Learning Objectives

Central Concepts

Additional Related Concepts

Textbook References

Benchmarks and Standards

Activity Credits

Requirements