Discovery and Creation
How it was created
Lawrencium was created by four American scientists, Albert Ghiorso, Torbjørn Sikkeland, Almon E. Larsh and Robert M. Latimer, in March, 1961. Working at the Lawrence Radiation Laboratory in Berkeley, California, the scientists placed three micrograms (0.000003 grams) of californium in the target chamber of a device called a linear accelerator. The scientists used the accelerator to bombard the californium with boron ions. Several different isotopes of lawrencium were created and there is some confusion as to which isotope the group actually detected. Today, the Lawrence Radiation Laboratory is known as the Lawrence Berkeley Laboratory.
General Information
Atomic Number: 103
Atomic Weight: 262
Melting Point: 1900 K (1627°C or 2961°F)
Boiling Point: Unknown
Density: Unknown
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 7 Group Number: 3 Group Name: Actinide
Radioactive and Artificially Produced
Lawrencium is pronounced as lor-ENS-i-em.
Has a half life of 3.6 hours.
