Science glossary film: Angstrom

A very small unit of length equivalent to one ten-millionth of a millimetre, or 10-10m. It is not an official SI unit, but is commonly used to express small distances such as the size of chemical bonds or molecules, or wavelengths on the electromagnetic spectrum. The unit is named after the Swedish physicist Anders Jonas Angstrom.

It is not an official SI unit, but is commonly used to express small distances such as the size of chemical bonds or molecules, or wavelengths on the electromagnetic spectrum. The unit is named after the Swedish physicist Anders Jonas Angstrom.