The Noble Gases The Noble Gases are the far right elements on the periodic table. On the earth they are scarce so we donšt see much of them. They are do not react well with anything. In fact until around the 50šs they hadnšt found anything that they would react with any of the gases. But then someone found out that Fluorine one the of most reactive elements could form compounds with Xenon. Later they found that it could react with most of the other nobles. Helium is one of the more scarce nobles on earth but in the universe it makes up 25% of it. Heliumšs presence was discovered by using spectral analysis to detect helium in the sunšs spectrum. Helium is not found a lot on the e