The Structure of an Atom
0:00 / 2:41
The Heart of Matter
0:00 - 0:25
Introduction to the fundamental unit of matter and the journey from early ideas to modern atomic theory.
The Nuclear Revelation
0:25 - 0:58
How Rutherford's alpha-particle scattering experiment revealed the existence of a small, dense nucleus.
Quantized Energy Levels
0:58 - 1:29
Niels Bohr's introduction of quantized energy levels and the mathematical foundation of stable orbits.
The Quantum Shift
1:29 - 1:53
Moving from fixed orbits to the probabilistic nature of electron clouds and wave-particle duality.
Atomic Identity
1:53 - 2:27
Distinguishing between isotopes and isobars through the lens of atomic and mass numbers.
Conclusion
2:27 - 2:41
Recap of the evolution of atomic understanding and the significance of the modern model.