In chemistry, helium (LH:5), named after helios (ἥλιος), Greek for sun (Lockyer, 1868), symbol He, is the second element (Z:2) of the periodic table, with a mass of 4.003 amu, comprised comprised of two protons, two neutrons, surrounded by two electrons, with an electron configuration of: 1s2.
The following are quotes:
- “Psychic phenomena manifesting themselves in these [protozoa-like] momentary existences, these mere points of organisms, it does not appear unscientific to hold that potential life, and all the phenomena attending it, from the government of an Oklahoma village to that of the British empire, exists in the atom itself, even in the atom of hydrogen or helium.”
- Bray, Henry T. (1910). The Living Universe (§8: Atomic and Molecular Worlds III, pg. 181-82)< . Truro, 1920.
- Helium – Wikipedia.