 Text search
 Related images
 HistoryWorld
 Link
 Map
Click the icons to visit linked content. Hover to see the search terms. |
|  |
| | | | | | | |
|
| 1648 |
| | | The Dutch chemist Jan Baptist van Helmont suggests that there are insubstantial substances other than air, and coins a name for them - gases | |
| |
|
| 1662 |
| | | British chemist Robert Boyle defines the inverse relationship between pressure and volume in any gas (subsequently known as Boyle's Law) | |
| |
|
| 1702 |
| | | German chemist Georg Stahl coins the name phlogiston for the substance believed to be released in the process of burning | |
| |
|
| c. 1735 |
| | | Swedish chemist Georg Brandt discovers a new metallic element, which he names cobalt | |
| |
|
| 1751 |
| | | The Swedish chemist Alex Cronstedt identifies an impurity in copper ore as a separate metallic element, which he names nickel | |
| |
|
| 1754 |
| | | Scottish chemist Joseph Black identifies the existence of a gas, carbon dioxide, which he calls 'fixed air' | |
| |
|
| 1766 |
| | | English chemist Henry Cavendish isolates hydrogen but believes that it is phlogiston | |
| |
|
| 1773 |
| | | Swedish chemist Carl Wilhelm Scheele isolates oxygen but does not immediately publish his achievement | |
| |
|
| 1774 |
| | | English chemist Joseph Priestley isolates oxygen, but he believes it to be 'dephlogisticated air' | |
| |
|
| 1787 |
| | | French chemist Antoine Laurent Lavoisier publishes a system for classifying and naming chemical substances | |
|  | Antoine and Marie Lavoisier in their laboratory
Wellcome Library, London
|
|
|
| | | | | |
| |