| Chemical element | |
|---|---|
| He | Previous: hydrogen (H) |
| Next: lithium (Li) | |
One of the elements of Earth's periodic table. It has atomic number 2, and is a noble gas. It has the symbol/abbreviation He. In normal conditions, it is an invisible gas, but if electricity is passed through it, it will glow pinkish-white.
A vial of glowing helium.
See also: List of elements
| File:NatCopper.jpg | This article is part of Project Elements, a All Birds project that aims to write comprehensive articles on each element. |
