What is the atomic theory?

Can you explain what atomic theory is?

Atomic theory is a scientific theory that states that matter is composed of discrete units called atoms.

Who first proposed the atomic theory?

The concept of atomic theory was first proposed by John Dalton in the early 19th century.

What are the main points of Dalton's atomic theory?

Dalton's atomic theory includes several key points: 1) All matter is made of atoms, 2) Atoms of the same element are identical, 3) Atoms cannot be created or destroyed, and 4) Compounds are formed by combining different atoms.

How has atomic theory evolved over time?

Atomic theory has evolved significantly, with contributions from scientists like J.J. Thomson, Ernest Rutherford, and Niels Bohr, leading to the modern understanding of atomic structure.