Then, in 1895, he became the 1st man or woman to isolate helium in the world. But he had a hunch that far more noble gases might exist, and he and Travers isolated neon, krypton, and xenon for the first time in 1898. Because of his discoveries, Ramsay gained the https://augustsxbfj.mysticwiki.com/675820/detailed_notes_on_sign