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Atomic Structure of Europium and Actinium

Europium
Actinium
Atomic Structure of Actinium and Europium


Atomic Properties
Atomic Number
63   
99+
89   
29
Electron Configuration
[Xe] 4f7 6s2   
[Rn] 6d1 7s2   
Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Actinium.jpg#100   
Atom
  
  
Number of Protons
63   
99+
89   
29
Number of Neutrons
89   
38
138   
16
Number of Electrons
63   
99+
89   
29
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
195.00 pm   
7
Covalent Radius
198.00 pm   
13
Not Available   
Van der Waals Radius
233.00 pm   
18
Not Available   
Atomic Weight
151.96 amu   
99+
227.00 amu   
25
Atomic Volume
28.90 cm3/mol   
8
22.54 cm3/mol   
11
Adjacent Atomic Numbers
  
  
Previous Element
Samarium
  
Radium
  
Next Element
Gadolinium
  
Thorium
  
Valence Electron Potential
45.60 (-eV)   
35
38.60 (-eV)   
99+
Lattice Constant
458.10 pm   
17
567.00 pm   
8
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
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