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Atomic Structure of Europium and Fermium


Atomic Structure of Fermium and Europium


Atomic Properties

Atomic Number
63   
99+
100   
18

Electron Configuration
[Xe] 4f7 6s2   
[Rn] 5f12 7s2   

Crystal Structure
Body Centered Cubic (BCC)   
Not Known   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
Unknown-Crystal-Structure-of-Fermium.jpg#100   

Atom
  
  

Number of Protons
63   
99+
100   
18

Number of Neutrons
89   
38
157   
7

Number of Electrons
63   
99+
100   
18

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
Not Available   

Covalent Radius
198.00 pm   
13
Not Available   

Van der Waals Radius
233.00 pm   
18
245.00 pm   
9

Atomic Weight
151.96 amu   
99+
257.00 amu   
15

Atomic Volume
28.90 cm3/mol   
8
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Samarium
  

Next Element
Gadolinium
  

Valence Electron Potential
45.60 (-eV)   
35
Not Available   

Lattice Constant
458.10 pm   
17
Not Available   

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

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