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Atomic Structure of Uranium and Lanthanum


Atomic Structure of Lanthanum and Uranium


Atomic

Atomic Number
92  
26
57  
99+

Electron Configuration
[Rn] 5f3 6d1 7s2  
[Xe] 5d2 6s2  

Crystal Structure
Orthorhombic (ORTH)  
Double Hexagonal Close Packed (DHCP)  

Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100  
DHCP-Crystal-Structure-of-Lanthanum.jpg#100  

Atom
  
  

Number of Protons
92  
26
57  
99+

Number of Neutrons
146  
14
82  
99+

Number of Electrons
92  
26
57  
99+

Radius of an Atom
  
  

Atomic Radius
156.00 pm  
31
187.00 pm  
10

Covalent Radius
196.00 pm  
14
207.00 pm  
6

Van der Waals Radius
186.00 pm  
40
240.00 pm  
17

Atomic Weight
238.03 amu  
21
138.91 amu  
99+

Atomic Volume
12.59 cm3/mol  
99+
20.73 cm3/mol  
26

Adjacent Atomic Numbers
  
  

Previous Element
Barium
  

Next Element
Neptunium
  
Cerium
  

Valence Electron Potential
170.00 (-eV)  
4
40.71 (-eV)  
99+

Lattice Constant
295.08 pm  
99+
377.20 pm  
31

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

Lattice C/A Ratio
1.02  
99+
1.62  
16

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