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Atomic Structure of Samarium and Ytterbium


Atomic Structure of Ytterbium and Samarium


Atomic Properties

Atomic Number
62   
99+
70   
99+

Electron Configuration
[Xe] 4f6 6s2   
[Xe] 4f14 6s2   

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

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

Atom
  
  

Number of Protons
62   
99+
70   
99+

Number of Neutrons
88   
39
103   
31

Number of Electrons
62   
99+
70   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
176.00 pm   
18

Covalent Radius
198.00 pm   
13
187.00 pm   
20

Van der Waals Radius
229.00 pm   
20
242.00 pm   
12

Atomic Weight
150.36 amu   
99+
173.05 amu   
99+

Atomic Volume
19.95 cm3/mol   
19
24.79 cm3/mol   
9

Adjacent Atomic Numbers
  
  

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Promethium
  
Thulium
  

Next Element
Europium
  
Lutetium
  

Valence Electron Potential
44.80 (-eV)   
37
50.30 (-eV)   
27

Lattice Constant
362.10 pm   
33
548.47 pm   
11

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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