Change:  1952. Interestingly, I got my name from Albert Einstein.Einsteinium was discovered in radioactive debris from the first large thermonuclear bomb explosion, which took place in the Pacific in November 1952. My Jobs According to the information, einsteinium have no uses.   View changes from previous version. (Word count: 211)

Change: oxidation numbers or einsteinium are three. My Story I was discovered by workers of Argonne, Los Angeles, Los Alamos, USA, and the University of Berkely at California. I was discovered at the year of 1952. Interestingly, I got my name from Albert Einstein. My Jobs   View changes from previous version. (Word count: 181)

Change:  Melting Point : 860 ºC (1580 ºF) Boiling Point : liquid range; no data Density of solid: [/kg m-3]: no data Color: Atomic Radius : no information Atomic Mass: 252 Atomic Number : 99 My Home(Body, Planet, Universe) I am Element! My Compounds(My Friends!) My Story My Jobs   View changes from previous version. (Word count: 91)

Change:  Protons: 99 Atomic Weight: 252 Neutrons: 153 No naturally occuring isotopes Radioisotopes and Half Life: Es-246=7.7 min., Es-248=26.0 min., Es-249=1.7 hrs, My Electrons 99 Electrons Electron Configuration :[Rn].5f11.7s2 Valence Electrons : 2 My Properties My Home(Body, Planet, Universe) I am Element! My Compounds(My Friends!) My Story My Jobs   View changes from previous version. (Word count: 62)

Change: Created by joycekim Oct 5 2006, 2:54 PM EDT for: no reason given