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Atomic Structure of Uranium and Samarium

Uranium
Samarium
Atomic Structure of Samarium and Uranium


Atomic
Atomic Number
92  
26
62  
99+
Electron Configuration
[Rn] 5f3 6d1 7s2  
[Xe] 4f6 6s2  
Crystal Structure
Orthorhombic (ORTH)  
Rhombohedral (RHO)  
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100  
RHO-Crystal-Structure-of-Samarium.jpg#100  
Atom
  
  
Number of Protons
92  
26
62  
99+
Number of Neutrons
146  
14
88  
40
Number of Electrons
92  
26
62  
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm  
31
180.00 pm  
16
Covalent Radius
196.00 pm  
14
198.00 pm  
13
Van der Waals Radius
186.00 pm  
40
229.00 pm  
25
Atomic Weight
238.03 amu  
21
150.36 amu  
99+
Atomic Volume
12.59 cm3/mol  
99+
19.95 cm3/mol  
31
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Promethium
  
Next Element
Neptunium
  
Europium
  
Valence Electron Potential
170.00 (-eV)  
4
44.80 (-eV)  
38
Lattice Constant
295.08 pm  
99+
362.10 pm  
37
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.02  
99+
1.62  
15
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