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Atomic Structure of Americium and Uranium

Americium
Uranium
Atomic Structure of Uranium and Americium


Atomic Properties
Atomic Number
95   
23
92   
26
Electron Configuration
[Rn] 5f7 7s2   
[Rn] 5f3 6d1 7s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Orthorhombic (ORTH)   
Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100   
ORTH-Crystal-Structure-of-Uranium.jpg#100   
Atom
  
  
Number of Protons
95   
23
92   
26
Number of Neutrons
148   
12
146   
13
Number of Electrons
95   
23
92   
26
Radius of an Atom
  
  
Atomic Radius
173.00 pm   
21
156.00 pm   
29
Covalent Radius
180.00 pm   
21
196.00 pm   
14
Van der Waals Radius
244.00 pm   
10
186.00 pm   
33
Atomic Weight
243.00 amu   
20
238.03 amu   
21
Atomic Volume
17.86 cm3/mol   
29
12.59 cm3/mol   
40
Adjacent Atomic Numbers
  
  
Previous Element
Plutonium
  
Protactinium
  
Next Element
Curium
  
Neptunium
  
Valence Electron Potential
44.00 (-eV)   
40
170.00 (-eV)   
4
Lattice Constant
346.81 pm   
99+
295.08 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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