History of Chemistry

Discovery of Oxygen- Joseph Priestly discovered oxygen

Jan 1, 1733

where we found stuff

Discovery of Nitrogen- A.L. Lavoisier discovered nitrogen

Jan 1, 1743

where we found stuff

Development of smallpox vaccine- Edward Jenner invented the vaccine for smallpox

Jan 1, 1776

where we found stuff

Found that heat was a form of energy- Count Rumford thought that heat was a form of energy

Jan 1, 1798

where we found stuff

Invented the electric battery- A. Volta invented the electric battery

Jan 1, 1800

where we found stuff

Dalton Atom Model

Jan 1, 1800

Dalton Model Picture

Plum Pudding Model, Thomson

Jan 1, 1897

plum pudding model

Rutherford Model

Jan 1, 1909

rutherford Model

Bohr Atom

Jan 2, 1913

bohr model