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)