Strontium
By Anne Marie Helmenstine, Ph.D., About.com Guide
This is a photo of pure strontium under an argon atmosphere. Strontium is a bright silvery alkaline earth metal, but it rapidly oxidizes, darkening with a yellowish color.
Matthias Zepper, Public Domain LicenseMore Chemistry Images
Lab Safety SignsScience PicturesElement Photos Needed for the Gallery
Fun Chemistry Projects
Mentos & Soda FountainMake a Smoke BombLiquid Nitrogen Ice Cream
©2009 About.com, a part of The New York Times Company.
All rights reserved.