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Atomic Structure of Uranium and Yttrium

Uranium
Yttrium
Atomic Structure of Yttrium and Uranium


Atomic Properties
Atomic Number
92   
26
39   
99+
Electron Configuration
[Rn] 5f3 6d1 7s2   
[Kr] 4d1 5s2   
Crystal Structure
Orthorhombic (ORTH)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100   
HCP-Crystal-Structure-of-Yttrium.jpg#100   
Atom
  
  
Number of Protons
92   
26
39   
99+
Number of Neutrons
146   
13
50   
99+
Number of Electrons
92   
26
39   
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
180.00 pm   
14
Covalent Radius
196.00 pm   
14
190.00 pm   
18
Van der Waals Radius
186.00 pm   
33
200.00 pm   
28
Atomic Weight
238.03 amu   
21
88.91 amu   
99+
Atomic Volume
12.59 cm3/mol   
40
19.80 cm3/mol   
21
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Strontium
  
Next Element
Neptunium
  
Zirconium
  
Valence Electron Potential
170.00 (-eV)   
4
48.00 (-eV)   
30
Lattice Constant
295.08 pm   
99+
364.74 pm   
31
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.57   
16
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