By Hannah Edmond; Block 3

Properties of Helium

Physical Properties:

  • Melting point: 0.95
  • Boiling point: 4.22
  • Colorless

Chemical Properties:

  • Atomic number: 2
  • Density: 0.178*10 -3 g.cm -3 at 20 °C
  • Atomic mass: 4.00260 g.mol -1

Common Compounds:

Helium does not react with other elements because it is an inert gas and is not capable of forming compounds.


  • Filling balloons/blimps
  • Cooling medium for nuclear reactors
  • Pressurizing liquid fuel rockets

Isotopes: 9

Ad Campaign

Which element fills balloons and blimps, has the lowest boiling point, and can temporarily raise the pitch of someone's voice? Helium, of course! Helium has several uses that make it an important part of the Periodic Table of Elements. Its many characteristics make it a very important resource. The unique functions it serves cannot be replicated by any other component. Because of this, helium is a very valuable element for your company to invest in.

First of all, helium is the most stable of all the elements. It was discovered in 1898 by Pierre Janssen and Norman J. Lockyer. Its name originates from the greek word for sun, helios. As stated previously, it has the lowest boiling and melting points on the entire periodic table. With the exception of extreme conditions, it exists as an odorless, colorless gas. Its electrons are dispersed two per shell. It is nontoxic, but can cause oxygen deprivation when ingested.

Secondly, the uses of helium are extremely versatile and useful. Besides the most commonly known function of filling balloons, it serves as a protective gas in growing silicon and germanium crystals, and in titanium and zirconium production. Helium plays a role in cryogenics and superconductivity by detecting leaks. Helium is also used to cool down superconductive magnets in welding. It is also commonly used as rocket fuel.

I hope you consider making helium an addition to your company. Because of its multitude of uses and unique attributes, it is a guaranteed success. Thank you for your time.