Search of elements By NOR1813 1526 Forbenius new idea was the world was made of Mercury, salt, and sulfur key for medicine and metals 1667 By use of Phosphorus Robert Boyle discovered principles for the lighting of a match 1667 Johne Becker said fire contained phologiston in order to be created after the fire in England broke out 1669 Brandt made experiments with urine which became know that contained phosphorus 1700 Air and gases were discovered which were hydrogen and carbon dioxode 1750 People began an electricity conductive machines 1774 Priestly discovered pure air through mercury experiment with a mouse 1807 Humphry Davy discovered potassium 1842 Recruitment for some chemist in New York in order to study top secret chemical that would help develop atomic bombs 1898 Marie Curie and husband Laviousier discover radio activity in radium 1915 Henry Moseley shot and killed he discovered protons at age of 25 due to his death chemist were not allowed to fight in the frontline 1945 Near New Mexico Uranium was tested for the 1st time to test an atomic bomb