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Atomic Structure of Fermium and Einsteinium


Atomic Structure of Einsteinium and Fermium


Atomic

Atomic Number
100  
18
99  
19

Electron Configuration
[Rn] 5f12 7s2  
[Rn] 5f11 7s2  

Crystal Structure
Not Known  
Face Centered Cubic (FCC)  

Crystal Lattice
Unknown-Crystal-Structure-of-Fermium.jpg#100  
FCC-Crystal-Structure-of-Einsteinium.jpg#100  

Atom
  
  

Number of Protons
100  
18
99  
19

Number of Neutrons
157  
8
153  
10

Number of Electrons
100  
18
99  
19

Radius of an Atom
  
  

Atomic Radius
180.00 pm  
16
186.00 pm  
11

Covalent Radius
180.00 pm  
23
186.00 pm  
21

Van der Waals Radius
245.00 pm  
13
0.00 pm  
99+

Atomic Weight
257.00 amu  
15
252.00 amu  
16

Atomic Volume
18.00 cm3/mol  
99+
17.04 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element

Next Element
Fermium
  

Valence Electron Potential
0.00 (-eV)  
99+
0.00 (-eV)  
99+

Lattice Constant
350.00 pm  
99+
582.00 pm  
8

Lattice Angles
-  
-  

Lattice C/A Ratio
1.63  
13
1.29  
99+

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