The below text was taken from (wikipedia.org) published with some modifications! Helium (from Greek: ἥλιος, Romanized: helios, lit. ‘sun’) is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas and the first in the noble gas group in the arc table of elements.[a] Its boiling point is the lowest among all the arc elements, and it does not have a melting point at standard pressure. It is the … Read more