Albert Einstein
 
   

 Atomic No. Order:
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  Periodic Table

ground state

  2, 8, 18, 32,  

  29, 8, 2   

 

 

Ho
67
  Es
99
Uqe
149
Uee
199
   

Einsteinium

Symbol Es
Atomic Number 99
Relative Atomic Mass
12C = 12.0000
[ 252 ]
252.0830
472(2) day
Significant Atomic Mass 252
Neutrons  153
Atomic Radius  pm 203
First Ionisation Energy
kJ mol -1
619
Electronegativity 1.3
Density  kg m -3 -
Molar Volume   cm 3 -
Thermal Conductivity
W m -1 K -1
10 [300 K] (est.)
Melting Point  K 1130 ± 30
Boiling Point  K -
Number of Isotopes 17
Inner + outer Shells
  4   +   3    = 7
Inner + outer Orbitals
  60   +   39    = 99
Filling Orbital
  5f 11   
Ground State Electron Configuration
[Rn]   5f 11      6p 6  7s 2 
 
Ground State Electron Configuration with 
free Orbitals (n= 19 )

 

  0, 0, 0, 0, 3, 10, 6  

free orbitals
 

Ground State Electron Configuration with compressed Orbitals  (n= 162 )

 

 0, 0, 0, 0, 18, 54, 90  

 compressed Orbitals
 
Singularity
280 60 + 39 + 19 + 162
 
 
s
p
d
 f
g
h
i
j
1
2
             
2
2
6
           
3
2
6
10
         
4
2
6
10

14

       
5
2
6
10
11
3
18
     
6
2
6
10

14

18
22
   
7
2
6
10
14
18
22
26
 
8
               
 
Term Symbol 5I 15/2
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
 

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2002-08-15

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Einstein in the 21st Century