By Anne Marie Helmenstine, Ph.D.
Argon is the current carrier in this discharge tube, while mercury is what produces the glow. Normally, argon exists as a colorless gas.
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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