10/26/09

Strontium(Sr)


Strontium(Sr)
webelements.com

Physical properties
Melting Point: 777'C
Boiling Point: 1382'C
Density: 2.6 g/cm3
Phase: Solid


Plans for the future is to be in the fireworks on the forth of july.

Background: (Where and when it was discovered?)

Strontium was first recognized in 1790 by Irish physician Adair Crawford. The element was not prepared in pure form until 20 years later by
a chemist Humpry Davy. It is used for production of color television tubes and in some kind of fireworks to give the color red. It is named after Strontian; a village in Scotland where it was discovered. It has 38 protons and electrons, and 50 neutrons. It has an atomic mass of 38.

By: Talia Santos.



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