Example image of eyePlorer eyePlorer map for 'Lawrencium': Atomic number Radioactive decay Synthetic element Half-life Hour Actinoid Extension of the periodic table beyond the seventh period 1961 Albert Ghiorso February 14 Lawrence Berkeley National Laboratory Timeline of chemical elements discoveries University of California, Berkeley Boron Californium Gram Alpha particle Isotope 1967 Dubna Russia International Union of Pure and Applied Chemistry American Chemical Society Cyclotron Ernest Lawrence 1963 1997 Geneva Lutetium Mendeleev's predicted elements Electron configuration Metal Ionizing radiation D-block Periodic table block Transition metal Chlorine Ion Nobelium Spontaneous fission Dubnium Parity (physics) Spin (physics) Isotopes of lawrencium List of acronyms and initialisms: L Transactinide element Group 3 element Actinium List of eponyms (L-Z) National Historic Chemical Landmarks