What English chemist has traditionally been credited with discovering oxygen independently in 1774 with the thermal breakdown of mercuric oxide?
Answer Joseph Priestly
Joseph Priestly's significant scientific fame during his lifetime was built on the creation of carbonated water, his work on electricity, and his discovery of numerous "airs," the most notable of which was what Priestly called dephlogisticated air (oxygen).
Asked by Vasilii Kulev · Last updated 4 years ago · 2.5K views · SOURCE