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Atomic Structure of Platinum and Samarium


Atomic Structure of Samarium and Platinum


Atomic Properties

Atomic Number
78   
38
62   
99+

Electron Configuration
[Xe] 4f14 5d9 6s1   
[Xe] 4f6 6s2   

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

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

Atom
  
  

Number of Protons
78   
38
62   
99+

Number of Neutrons
117   
24
88   
39

Number of Electrons
78   
38
62   
99+

Radius of an Atom
  
  

Atomic Radius
139.00 pm   
39
180.00 pm   
14

Covalent Radius
136.00 pm   
99+
198.00 pm   
13

Van der Waals Radius
175.00 pm   
36
229.00 pm   
20

Atomic Weight
47.87 amu   
99+
150.36 amu   
99+

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

Adjacent Atomic Numbers
  
  

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Gold
  
Europium
  

Valence Electron Potential
392.42 (-eV)   
1
44.80 (-eV)   
37

Lattice Constant
392.42 pm   
24
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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