Question

What is Helium Gas??​

Answer 1

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).

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).

Boiling point: −268.9 °C (−452 °F)

Atomic number: 2

Atomic weight: 4.002602

Melting point: none

Explanation:

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