Perhaps you have wondered which is the oldest atomic theory? One of the first atomic theorists was Democritus, a Greek philosopher who lived in the 5th century BC. Democritus knew that if a stone was divided in half, the two halves would have essentially the same properties as the whole. Therefore, he reasoned that if the stone were […]

# Category Archives: Atomic Models

## What are the defects of Rutherford Atomic model?

Atomic Model of Rutherford with experiments and theory: Rutherford’s atomic model called the planetary model of the nuclear atom, proposed date (1911) describes the structure of atoms.There are two defects of Rutherford atomic model, (1) It could not describe line spectrum of atom, (2) It could describe the stability of an atom. What is the […]