By Anne Marie Helmenstine, Ph.D.
John Dalton used a system of partially-filled circles to symbolize the chemical elements. The name for nitrogen, azote, remains the name for this element in French.
Interactive Periodic Table of the ElementsTeach Yourself ChemistryChemistry Glossary
Element Photo GalleryPictures of Famous ChemistsCrystal Photo Gallery
Anne Marie Helmenstine, Ph.D.
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