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Anne Marie's Chemistry Blog

By Anne Marie Helmenstine, Ph.D., About.com Guide to Chemistry since 2001

Sodium Facts

Sunday August 27, 2006
Did you know the metal sodium floats on water? Sodium may spontaneously ignite in water, too, though it usually won't ignite in air. It's a relatively abundant element, making up ~2.6% of the earth's crust. Learn more...

Comments

August 28, 2006 at 10:41 am
(1) hans kleinen hammans says:

Your Chemistry.about site is really very useful. For students, and for teachers ( like me ).
The determination of Avogadro’s number is interesting as an experiment and the calculation provides an excellent exercise. But may I suggest that you revise the description of the experimental protocol? It is rather confusing in its present form.
Kind regards,
Dr Hans Kleinen Hammans
Geert Groote College, Amsterdam, Nl.

December 18, 2007 at 4:18 pm
(2) erick says:

yo dis stuff is sick!!

May 29, 2008 at 5:29 pm
(3) Cool Kid says:

This is really useful. I wish more people knew abot this.

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