What is Lawrencium?
[[File:Ernest Lawrence.jpg|thumb|[[Ernest Lawrence]].]]'''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 (element)|half-life]] (<sup>262</sup>Lr) has a half life of about 3.6 hours. 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. ==Related pages== * [[Periodic table]] * [[List of common elements]] {{Periodic Table}} {{chem-stub}} [[Category:Transition metals]] [[Category:Synthetic elements]]