Question

what is helium?????​

Answer 1

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Helium is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements.

Symbol: He

Atomic mass: 4.002602 u

Atomic number: 2

Electron configuration: 1s2

Boiling point: -268.9 °C

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Answer 2

Helium is a type of gas which founds rarely in the atmosphere.

You have also seen that it is also filled in the balloons.