WHAT IS HELIUM????????
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Helium is a chemical element with symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table.
Symbol: He
Atomic number: 2
Electron configuration: 1s2
Discovered: 1868
Melting point: -272.2 °C
Boiling point: -268.9 °C
Atomic mass: 4.002602 ± 0.000002 u
Anonymous:
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it is a element
it is the 1st noble gas element and stable element and can catch fire so fast
not taken from google
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