Its boiling point is the lowest among all the elements, and it does not have a melting point at standard pressure.
It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table. Helium (from Greek: ἥλιος, romanized: helios, lit.'sun') is a chemical element with the symbol He and atomic number 2. For the isotope of helium with two nucleons ( 2He), see Helium-2.
