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Atomic Structure of Samarium and Strontium


Atomic Structure of Strontium and Samarium


Atomic Properties

Atomic Number
62   
99+
38   
99+

Electron Configuration
[Xe] 4f6 6s2   
[Kr] 5s2   

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

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

Atom
  
  

Number of Protons
62   
99+
38   
99+

Number of Neutrons
88   
39
50   
99+

Number of Electrons
62   
99+
38   
99+

Radius of an Atom
  
  

Atomic Radius
180.00 pm   
14
215.00 pm   
5

Covalent Radius
198.00 pm   
13
195.00 pm   
15

Van der Waals Radius
229.00 pm   
20
249.00 pm   
7

Atomic Weight
150.36 amu   
99+
87.62 amu   
99+

Atomic Volume
19.95 cm3/mol   
19
33.70 cm3/mol   
6

Adjacent Atomic Numbers
  
  

Previous Element
Promethium
  
Rubidium
  

Next Element
Europium
  
Yttrium
  

Valence Electron Potential
44.80 (-eV)   
37
25.70 (-eV)   
99+

Lattice Constant
362.10 pm   
33
608.49 pm   
6

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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