The 2-8-8 Rule
Understanding the 2-8-8 Rule in Chemistry: Electron Configuration Explained

Explore the 2-8-8 rule in chemistry to understand electron configuration across energy levels in atoms.

Atomic Models Comparison
Top Two Atomic Models: Bohr vs Quantum Mechanical Explained

Discover the two most used atomic models—Bohr's and Quantum Mechanical. Learn their significance in understanding atomic behavior.

Energy Levels
Why Electrons Fill 4s Before 3d: Understanding Orbital Energy Levels

Discover why electrons occupy the 4s orbital before the 3d orbital due to energy differences and stability in atoms.