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Atomic Structure of Samarium and Einsteinium


Atomic Structure of Einsteinium and Samarium


Atomic

Atomic Number
62  
99+
99  
19

Electron Configuration
[Xe] 4f6 6s2  
[Rn] 5f11 7s2  

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

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

Atom
  
  

Number of Protons
62  
99+
99  
19

Number of Neutrons
88  
40
153  
10

Number of Electrons
62  
99+
99  
19

Radius of an Atom
  
  

Atomic Radius
180.00 pm  
16
186.00 pm  
11

Covalent Radius
198.00 pm  
13
186.00 pm  
21

Van der Waals Radius
229.00 pm  
25
0.00 pm  
99+

Atomic Weight
150.36 amu  
99+
252.00 amu  
16

Atomic Volume
19.95 cm3/mol  
31
17.04 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element

Next Element
Europium
  
Fermium
  

Valence Electron Potential
44.80 (-eV)  
38
0.00 (-eV)  
99+

Lattice Constant
362.10 pm  
37
582.00 pm  
8

Lattice Angles
π/2, π/2, 2 π/3  
-  

Lattice C/A Ratio
1.62  
15
1.29  
99+

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