Chlorine, and (with Joseph Priestly) oxygen
Carl Wilhelm Scheele discovered chlorine in 1774. He was the first to isolate the element and identify it as a new substance.
Oxygen was discovered in 1774 by Swedish chemist Carl Wilhelm Scheele.
The element manganese was not discovered by a single individual. It has been known since ancient times, but one of the key figures in its recognition as a distinct element was Johan Gottlieb Gahn, a Swedish chemist who isolated manganese in 1774.
Manganese was discovered as an element in 1774 by Swedish chemist Johan Gottlieb Gahn.
Barium is an element and therefore was not 'invented'. It was however first identified by Scheele in 1774 and was first isolated by Sir Humphrey Davy in 1808.
Oxygen was first identified as an element in 1774 by English chemist, Joseph Priestley
Carl Wilhelm Scheele discovered chlorine in 1774. He was the first to isolate the element and identify it as a new substance.
Oxygen was discovered in 1774 by Swedish chemist Carl Wilhelm Scheele.
The element manganese was not discovered by a single individual. It has been known since ancient times, but one of the key figures in its recognition as a distinct element was Johan Gottlieb Gahn, a Swedish chemist who isolated manganese in 1774.
Manganese.
In 1872 the first periodic table of elements was published by a Russian scientist called Dmitri Mendeleev, this table included oxygen as well. The element oxygen was discovered around 1774 by Joseph Priestley in Wiltshire and Carl Wilhelm Scheele in Uppsala.
Manganese was discovered as an element in 1774 by Swedish chemist Johan Gottlieb Gahn.
The First Continental Congress met in september 1774.
Antoine Lavoisier named oxygen in 1774.
sept 5, 1774
1774
Barium is an element and therefore was not 'invented'. It was however first identified by Scheele in 1774 and was first isolated by Sir Humphrey Davy in 1808.