Atom Pioneer
Who Proved Atoms Existence? Discover John Dalton's Groundbreaking Contribution

Explore John Dalton's pivotal role in establishing atomic theory and its impact on modern chemistry.

Third Shell: 8 or 18?
Understanding the Third Shell: How Many Electrons Does It Hold?

Learn about the third shell of an atom and its capacity to hold electrons. Discover the Aufbau principle and electron configuration.