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Atomic Structure of Iron and Samarium


Atomic Structure of Samarium and Iron


Atomic Properties

Atomic Number
26   
99+
62   
99+

Electron Configuration
[Ar] 3d6 4s2   
[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
26   
99+
62   
99+

Number of Neutrons
30   
99+
88   
39

Number of Electrons
26   
99+
62   
99+

Radius of an Atom
  
  

Atomic Radius
126.00 pm   
99+
180.00 pm   
14

Covalent Radius
132.00 pm   
99+
198.00 pm   
13

Van der Waals Radius
200.00 pm   
28
229.00 pm   
20

Atomic Weight
55.85 amu   
99+
150.36 amu   
99+

Atomic Volume
7.10 cm3/mol   
99+
19.95 cm3/mol   
19

Adjacent Atomic Numbers
  
  

Previous Element
Manganese
  
Promethium
  

Next Element
Cobalt
  
Europium
  

Valence Electron Potential
67.00 (-eV)   
20
44.80 (-eV)   
37

Lattice Constant
286.65 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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