Question

helium is a _______ element​

Answer 1

Answer:

Explanation:

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).

Atomic number: 2

Atomic weight: 4.002602

Boiling point: −268.9 °C (−452 °F)

Electron configuration: 1s2

Answer 2

Answer:

helium is a noble gas

Explanation:

helium is a noble gas because it cotains 2 electrons in the first shell and doesnt have any more shells so it doesnt react easily and is called a noble gas