1774,1810 Chlorine

The book of science

Tom Sharp

Carl Wilhelm Scheele, Humphry Davy elements Chlorine


The meaning of oxygen

Pale green


For an explanation, too contravoluted to repeat here, of why “dephlogisticated” meant oxygenated, look up phlogiston theory or see “Combustion.” It took a long time for chemistry to disengage from alchemy, but Lavoisier was one of the first to do it.

See also in The book of science:

Readings on wikipedia:

Other readings: