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Atomic Structure of Samarium and Cesium


Atomic Structure of Cesium and Samarium


Atomic Properties

Atomic Number
62   
99+
55   
99+

Electron Configuration
[Xe] 4f6 6s2   
[Xe] 6s1   

Crystal Structure
Rhombohedral (RHO)   
Body Centered Cubic (BCC)   

Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
62   
99+
55   
99+

Number of Neutrons
88   
39
78   
99+

Number of Electrons
62   
99+
55   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
265.00 pm   
1

Covalent Radius
198.00 pm   
13
244.00 pm   
2

Van der Waals Radius
229.00 pm   
20
343.00 pm   
2

Atomic Weight
150.36 amu   
99+
132.91 amu   
99+

Atomic Volume
19.95 cm3/mol   
19
71.07 cm3/mol   
1

Adjacent Atomic Numbers
  
  

Previous Element
Promethium
  
Tin
  

Next Element
Europium
  
Barium
  

Valence Electron Potential
44.80 (-eV)   
37
8.62 (-eV)   
99+

Lattice Constant
362.10 pm   
33
614.10 pm   
5

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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