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Atomic Structure of Americium and 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
  

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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