Second Most Abundant Element

Noble Gas

Helium is a noble gas that is unreactive, colorless, and odorless. Helium glows pale peach when an electric current runs through it.

Uses of Helium

  • Helium is used in balloons to lift them in the air.
  • Helium is used to cool superconducting magnets in MRI scanners.
  • Helium is used to make rocket fuel by condensing hydrogen and oxygen.
  • Helium is used to detect leaks in high-vacuum and high pressure equipment.

Discovered and Named

Element named for the Sun

Basic Information

Atomic Number = 2

Atomic Weight = 4.002602

Melting Point = -458 degrees fahrenheit

Boiling Point = -452.07 degrees fahrenheit

Period 1

Group 18