The 4th Energy Level
What Is the 4th Energy Level in an Atom and How Many Electrons Can It Hold?

Learn about the 4th energy level of an atom, its electron capacity, and its role in atomic structure and chemical properties.

Francium Explained
What Is the Biggest Atom? Understanding Francium's Atomic Size

Discover why francium is the biggest atom, with the largest atomic radius due to its electron shell structure and unique properties.