By Anne Marie Helmenstine, Ph.D.
Americium is a lustrous silvery-white metal that slowly tarnishes in air. The triangle in the glass tube is the world's first sample of americium, produced in a 60-inch cyclotron in 1944.
Periodic Table of the ElementsElements in the Human BodyMost Abundant Element
Lab Safety SignsScience PicturesElement Photos Needed for the Gallery
Mentos & Soda FountainMake a Smoke BombLiquid Nitrogen Ice Cream
Anne Marie Helmenstine, Ph.D.
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