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The Sceptical Chymist
The Sceptical Chymist" was published by Robert Boyle which distinguished between the fields of chemistry and alchemy. It included work on the atoms, molecules, etc. -
Hydrogen Discovered
Henry Cavendish discovered hydrogen. He describes it as a colourless, odourless gas that burns and can form an explosive mixture when combined with air. -
Oxygen Isolated
Carl Wihelm Scheele and Joseph Pristly isolate oxygen.