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Atomic Structure of Samarium and Chromium


Atomic Structure of Chromium and Samarium


Atomic Properties

Atomic Number
62   
99+
24   
99+

Electron Configuration
[Xe] 4f6 6s2   
[Ar] 3d5 4s1   

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+
24   
99+

Number of Neutrons
88   
39
28   
99+

Number of Electrons
62   
99+
24   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
128.00 pm   
99+

Covalent Radius
198.00 pm   
13
139.00 pm   
99+

Van der Waals Radius
229.00 pm   
20
200.00 pm   
28

Atomic Weight
150.36 amu   
99+
52.00 amu   
99+

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

Adjacent Atomic Numbers
  
  

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Promethium
  
Vanadium
  

Next Element
Europium
  
Manganese
  

Valence Electron Potential
44.80 (-eV)   
37
170.00 (-eV)   
4

Lattice Constant
362.10 pm   
33
291.00 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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