HELIUM

Helium

Helium is a chemical element with symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table. Its boiling and melting points are the lowest among the elements and it exists only as a gas except in extreme conditions.

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helium

Noun

  1. A colorless and inert gas, and the second lightest chemical element (symbol He) with an atomic number of 2 and atomic weight of 4.002602.
  2. A form or sample of the element.


The above text is a snippet from Wiktionary: helium
and as such is available under the Creative Commons Attribution/Share-Alike License.

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