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Patterns of Reactivity

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DDT: A magazine article from an environmental group, describing the resurgence of the American bald eagle 25 years after a ban on DDT was imposed in the USA.
(Level: student and teacher)
http://www.edf.org/pubs/NewsReleases/1997/Jun/e_ddt.html

Group I: Aluminium-lithium alloys are superplastic. This link includes an account of the history and development of alloys with these properties.
(Level: teacher)
http://callisto.my.mtu.edu/notes/intro.html

Lithium cells: The present state of primary-cell technology is summarised in this link, which includes a good account of the construction and use of lithium cells.
(Level: student and teacher)
http://www.tadiranbat.com/howprim.htm

Redox: A collection of resources for teachers and their students which deals with the chemistry of redox processes.
(Level: student and teacher)
http://www.kcc.hawaii.edu/chemistry/redox_title.html

Silver halides: A compilation of resources for teaching about the science of photographic processes.
(Level: student and teacher)
http://www.zum.de/schule/earthquake/photogrp.html

Sodium vapour lamps: An overview of lighting technology. Describes the fundamentals of
the sodium vapour lamp.
(Level: student and teacher)
http://www.epa.gov/GCDOAR/fundamentals.html

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