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Atomic Structure of Samarium and Uranium


Atomic Structure of Uranium and Samarium


Atomic

Atomic Number
62  
99+
92  
26

Electron Configuration
[Xe] 4f6 6s2  
[Rn] 5f3 6d1 7s2  

Crystal Structure
Rhombohedral (RHO)  
Orthorhombic (ORTH)  

Crystal Lattice
RHO-Crystal-Structure-of-Samarium.jpg#100  
ORTH-Crystal-Structure-of-Uranium.jpg#100  

Atom
  
  

Number of Protons
62  
99+
92  
26

Number of Neutrons
88  
40
146  
14

Number of Electrons
62  
99+
92  
26

Radius of an Atom
  
  

Atomic Radius
180.00 pm  
16
156.00 pm  
31

Covalent Radius
198.00 pm  
13
196.00 pm  
14

Van der Waals Radius
229.00 pm  
25
186.00 pm  
40

Atomic Weight
150.36 amu  
99+
238.03 amu  
21

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

Adjacent Atomic Numbers
  
  

Previous Element

Next Element
Europium
  
Neptunium
  

Valence Electron Potential
44.80 (-eV)  
38
170.00 (-eV)  
4

Lattice Constant
362.10 pm  
37
295.08 pm  
99+

Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  

Lattice C/A Ratio
1.62  
15
1.02  
99+

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