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Atomic Structure of Samarium and Einsteinium


Atomic Structure of Einsteinium and Samarium


Atomic Properties

Atomic Number
62   
99+
99   
19

Electron Configuration
[Xe] 4f6 6s2   
[Rn] 5f11 7s2   

Crystal Structure
Rhombohedral (RHO)   
Face Centered Cubic (FCC)   

Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100   
FCC-Crystal-Structure-of-Einsteinium.jpg#100   

Atom
  
  

Number of Protons
62   
99+
99   
19

Number of Neutrons
88   
39
153   
9

Number of Electrons
62   
99+
99   
19

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
186.00 pm   
9

Covalent Radius
198.00 pm   
13
Not Available   

Van der Waals Radius
229.00 pm   
20
Not Available   

Atomic Weight
150.36 amu   
99+
252.00 amu   
16

Atomic Volume
19.95 cm3/mol   
19
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Promethium
  

Next Element
Europium
  
Fermium
  

Valence Electron Potential
44.80 (-eV)   
37
Not Available   

Lattice Constant
362.10 pm   
33
Not Available   

Lattice Angles
π/2, π/2, 2 π/3   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

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