Atomic Models By crazyymena 400 BCE Democritus Atomic Model 400 BCE Democritus 400 BCE Description 400 BCE Main Contribution and What was wrong Period: 400 BCE to 1926 Atomic Models 1803 Daltom Atomic Model (Atomic Theory) 1803 John Dalton 1803 Description 1803 Main Contribution and What was wrong 1904 Thomson Atomic Model (Plum Pudding Model) 1904 Joseph John "J.J." Thomson 1904 Description 1904 Main Contribution and What was wrong 1911 Rutherford Model (Nuclear Model) 1911 Ernest Rutherford 1911 Description 1911 Main Contribution and What was wrong 1913 Solar System Model 1913 Niels Bohr 1913 Description 1913 Main Contribution and What was wrong 1926 Quantum Mechanical Model 1926 Erwin Schrödinger 1926 Description 1926 Main Contribution and What was wrong
