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Atomic Structure of Uranium and Lanthanum


Atomic Structure of Lanthanum and Uranium


Atomic Properties

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   
13
82   
99+

Number of Electrons
92   
26
57   
99+

Radius of an Atom
  
  

Atomic Radius
156.00 pm   
29
187.00 pm   
8

Covalent Radius
196.00 pm   
14
207.00 pm   
6

Van der Waals Radius
186.00 pm   
33
240.00 pm   
13

Atomic Weight
238.03 amu   
21
138.91 amu   
99+

Atomic Volume
12.59 cm3/mol   
40
20.73 cm3/mol   
16

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   
28

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

Lattice C/A Ratio
Not Available   
1.62   
2

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