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What the name
means: Helium was named after
Helios, the ancient Greek god of the Sun.
Who
identified
helium?: Two scientists, a Frenchman
named Pierre Janssen and
an Englishman named Joseph Lockyer,
discovered helium in 1869 after their
studies of special photographs (called
spectrographs) of the Sun.
About helium:
Helium is the second most common
element in the universe. There is a very
small quantity of helium atoms in the
Earth’s atmosphere. Helium is one of a
group of elements called the noble gases.
An atom of helium is stable and so it does
not need chemically bond to other atoms. |
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