the 2nd lightest and second many plentiful factor. The normal helium atom comprises of a nucleus of two protons as well as 2 neutrons in the middle of two electrons. Helium was discovered within our sunlight. About 25 percent of our Sun is helium. by Esmeralda EdmondsonReport definition
Definition for "Helium"
A colorless, odorless inert gaseous element occurring in…