1. a radioactive metallic chemical element with the symbol Lr and atomic number 103
Usage: chemistry

Examples

• Lawrencium is a synthetic element that does not occur naturally on Earth.
• Scientists first produced lawrencium in 1961 at the Lawrence Berkeley National Laboratory.
• The element lawrencium is named after Ernest Lawrence, inventor of the cyclotron.
• Lawrencium has a very short half-life and is extremely unstable.
• Only small amounts of lawrencium have ever been created in particle accelerators.
• The chemical properties of lawrencium are difficult to study due to its radioactive nature.