He also showed that [[oxygen]] could not be obtained from the substance known as [[Chlorine#History|oxymuriatic acid]] and proved the substance to be an element, which he named [[chlorine]]. (However [[Carl Scheele]] isthesfdgasfgsdfgsdfgxzbvzxfasdgfzfvxzbdfzgsdgxzcvbzxdfgdzfbxgfgfxcxdfgzvzxgfgfdgfdgdfgdfgdfgdfgdfgdfgdfgdfgdfgdfgdfgdfgdfis credited as the discoverer of chlorine. Scheele had discovered it 36 years before Davy, but was unable to publish his findings.) This discovery overturned [[Antoine Lavoisier|Lavoisier's]] definition of acids as compounds of oxygen.
