Science
Periodic Table - Elements - Einsteinium

Symbol Es
Atomic Number 99
Relative Atomic Mass
12C = 12.0000
252.083 (252Es)
Atomic Radius
pm
203
First Ionisation Energy
kJ mol-1
619
Electronegativity 1.3
Density
kg m-3
n/a
Molar Volume
cm3
n/a
Thermal Conductivity
W m-1 K-1
10 [300 K] (est.)
Melting Point
K
1130 ± 30
Boiling Point
K
n/a
Number of Isotopes 17
Ground State Electron
Configuration
[Rn]5f117s2
Term Symbol 5I15/2
Discovery Discovered by G.R. Choppin, S.G. Thompson, A. Ghiorso and B.G. Harvey in the deris of the thermonuclear explosion in the Pacific in 1952
Name Derived From Named after Albert Einstein
Name in Other
Languages
 Croatian Einsteinij
 Danish einsteinium
 Dutch einsteinium
 Finnish einsteinium
 French einsteinium
 German Einsteinium
 Italian einsteinio
 Norwegian einsteinium
 Portugueseeinstānio
 Spanish einsteinio
 Swedish einsteinium
Peter van der Krogt's Element Multidict - element name translations in over 48 langauges


Page compiled: Wed Sep 05 18:37:53 GMT+01:00 2001