Chemical Symbol: He
Atomic Mass: 4.00260 g/mol
Helium was first observed in the sun’s spectrum by Pierre Janssen and Norman Lockyer in 1868. Makes up the bulk of our Sun.
Chemical Symbol: He
Atomic Mass: 4.00260 g/mol
Helium was first observed in the sun’s spectrum by Pierre Janssen and Norman Lockyer in 1868. Makes up the bulk of our Sun.