KV+Atomic+Number

The Ancient Greek Model The word atom is derived from greek that means "which can not be divided" The arts of acient g reece have exercised an enormous influence on the culture of many countries all over the world.

Leucippus: Greek philosopher/scientist


2.The Plum Pudding Model The plum pudding model of the atom by J. J. Thomson, who discovered the electron in 1897. The atom is composed of electrons

3. RutherFord's Model By 1911 the components of the atom had been discovered by Rutherford. The atom consisted of subatomic particles called protons and electrons

4. Bohr's Model Idea that electrons were only allowed to orbit the nucleus at certain energy levels Neil Bohr was a Danish physicist who made fundamental contributions to understanding atomic structure and quantum mechanics

5. Schroedinger's Model Erwin Schrodinger introduced probabiltyinto the structure of the atom in science.