Lawrencium
chemical element with the atomic number of 103 / From Wikipedia, the free encyclopedia
Lawrencium is a chemical element. It is also named eka-lutetium by some people. It has the symbol Lr. It has the atomic number 103. It is a radioactive element that does not exist in nature. It has to be made. Lawrencium is made from californium. The isotope that has the longest half-life (262Lr) has a half life of about 3.6 hours.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Ernest_Lawrence.jpg/220px-Ernest_Lawrence.jpg)
No uses for lawrencium are known. What lawrencium looks like is not known because not enough has been made to see it with human eyesight.
Is a Block-D Group3 Period 7 element. Discovered by Albert Ghiorso and co-workers in 1961, in California. Named after Ernest O. Lawrence, inventor of the cyclotron, a research instrument with which several new elements have been found/made.