Question

what is helium? explain it ?
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Answer 1

Answer:

Helium is an inert gas present in the periodic table .

it has two electrons in its orbital .

its electronic configuration is 1 S

Answer 2

Answer:

Helium (He), chemical element, inert gas of Group 18 (noble gases) of the periodic table. The second lightest element (only hydrogen is lighter), helium is a colourless, odourless, and tasteless gas that becomes liquid at −268.9 °C (−452 °F).

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