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Atomic Structure of Samarium and Polonium


Atomic Structure of Polonium and Samarium


Atomic Properties

Atomic Number
62   
99+
84   
32

Electron Configuration
[Xe] 4f6 6s2   
[Xe] 4f14 5d10 6s2 6p4   

Crystal Structure
Rhombohedral (RHO)   
Monoclinic (MON)   

Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100   
MON-Crystal-Structure-of-Polonium.jpg#100   

Atom
  
  

Number of Protons
62   
99+
84   
32

Number of Neutrons
88   
39
125   
19

Number of Electrons
62   
99+
84   
32

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
168.00 pm   
23

Covalent Radius
198.00 pm   
13
140.00 pm   
99+

Van der Waals Radius
229.00 pm   
20
197.00 pm   
29

Atomic Weight
150.36 amu   
99+
209.00 amu   
28

Atomic Volume
19.95 cm3/mol   
19
22.23 cm3/mol   
13

Adjacent Atomic Numbers
  
  

Previous Element
Promethium
  
Bismuth
  

Next Element
Europium
  
Francium
  

Valence Electron Potential
44.80 (-eV)   
37
Not Available   

Lattice Constant
362.10 pm   
33
335.90 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

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