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Atomic Structure of Einsteinium and Europium


Atomic Structure of Europium and Einsteinium


Atomic Properties

Atomic Number
99   
19
63   
99+

Electron Configuration
[Rn] 5f11 7s2   
[Xe] 4f7 6s2   

Crystal Structure
Face Centered Cubic (FCC)   
Body Centered Cubic (BCC)   

Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
99   
19
63   
99+

Number of Neutrons
153   
9
89   
38

Number of Electrons
99   
19
63   
99+

Radius of an Atom
  
  

Atomic Radius
186.00 pm   
9
180.00 pm   
14

Covalent Radius
Not Available   
198.00 pm   
13

Van der Waals Radius
Not Available   
233.00 pm   
18

Atomic Weight
252.00 amu   
16
151.96 amu   
99+

Atomic Volume
Not Available   
28.90 cm3/mol   
8

Adjacent Atomic Numbers
  
  

Previous Element
Samarium
  

Next Element
Fermium
  
Gadolinium
  

Valence Electron Potential
Not Available   
45.60 (-eV)   
35

Lattice Constant
Not Available   
458.10 pm   
17

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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