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Atomic Structure of Lithium and Samarium

Lithium
Samarium
Atomic Structure of Samarium and Lithium


Atomic Properties
Atomic Number
3   
99+
62   
99+
Electron Configuration
[He] 2s1   
[Xe] 4f6 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Rhombohedral (RHO)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
RHO-Crystal-Structure-of-Samarium.jpg#100   
Atom
  
  
Number of Protons
3   
99+
62   
99+
Number of Neutrons
4   
99+
88   
39
Number of Electrons
3   
99+
62   
99+
Radius of an Atom
  
  
Atomic Radius
152.00 pm   
31
180.00 pm   
14
Covalent Radius
128.00 pm   
99+
198.00 pm   
13
Van der Waals Radius
182.00 pm   
35
229.00 pm   
20
Atomic Weight
6.94 amu   
99+
150.36 amu   
99+
Atomic Volume
13.10 cm3/mol   
39
19.95 cm3/mol   
19
Adjacent Atomic Numbers
  
  
Previous Element
No Previous Element   
Promethium
  
Next Element
Beryllium
  
Europium
  
Valence Electron Potential
19.00 (-eV)   
99+
44.80 (-eV)   
37
Lattice Constant
351.00 pm   
99+
362.10 pm   
33
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
Not Available   
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