-
Nov 15, 1280
Albertus Magnus
He discovered the of element arsenic -
Robert Boyle
The pressure and volume of a confined gas held at constant temperature -
George Brandt
He discoverd the element Colbalt -
John Dalton
- Atoms of a given element are identical in size, mass, and other properties; atoms of different elements differ in size, mass, and other properties.
-
Antoine Lavoisier
He named both Oxygen and Hydrogen and predicted Silicon -
Henry Cavendish
He discovered the element hydrogen -
Abu Mūsā Jābir ibn Hayyān
He discoverd citric acid