List of Naturally Occurring Elements

Some elements have been made by man, but don't exist naturally. Discover which elements are found in nature and how many there are.

2.1: The Elements - Chemistry LibreTexts

Learn About the History of the Periodic Table of Chemical Elements

Periodic table - Wikipedia

The Development of the Periodic Table of Elements, Biomol Blog, Resources

How Many Elements on the Periodic Table of the Elements Occur Naturally?

Periodic Table of Natural State of Elements

Monoisotopic element - Wikipedia

Transuranium element - Wikipedia

Ch105: Chapter 2 - Atoms, Elements and The Periodic Table - Chemistry