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Atomic Structure of Americium and Francium

Americium
Francium
Atomic Structure of Francium and Americium


Atomic Properties
Atomic Number
95   
23
87   
31
Electron Configuration
[Rn] 5f7 7s2   
[Rn] 7s1   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
95   
23
87   
31
Number of Neutrons
148   
12
136   
17
Number of Electrons
95   
23
87   
31
Radius of an Atom
  
  
Atomic Radius
173.00 pm   
21
Not Available   
Covalent Radius
180.00 pm   
21
260.00 pm   
1
Van der Waals Radius
244.00 pm   
10
348.00 pm   
1
Atomic Weight
243.00 amu   
20
223.00 amu   
27
Atomic Volume
17.86 cm3/mol   
29
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Plutonium
  
Polonium
  
Next Element
Curium
  
Radium
  
Valence Electron Potential
44.00 (-eV)   
40
8.00 (-eV)   
99+
Lattice Constant
346.81 pm   
99+
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
Not Available   
Not Available   
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