noun
- a radioactive chemical element with the symbol No and atomic number 102
Usage: chemistry
Examples
- Nobelium is a synthetic element that does not occur naturally on Earth.
- Scientists first created nobelium in a laboratory in 1957.
- The element nobelium was named after Alfred Nobel.
- Nobelium has a very short half-life and is highly unstable.
- Only small amounts of nobelium have ever been produced.
- Nobelium belongs to the actinide series of elements.