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Atomic Structure of Gadolinium and Europium

Gadolinium
Europium
Atomic Structure of Europium and Gadolinium


Atomic Properties
Atomic Number
64   
99+
63   
99+
Electron Configuration
[Xe] 4f7 5d1 6s2   
[Xe] 4f7 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Gadolinium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
64   
99+
63   
99+
Number of Neutrons
93   
37
89   
38
Number of Electrons
64   
99+
63   
99+
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
180.00 pm   
14
Covalent Radius
196.00 pm   
14
198.00 pm   
13
Van der Waals Radius
237.00 pm   
15
233.00 pm   
18
Atomic Weight
47.87 amu   
99+
151.96 amu   
99+
Atomic Volume
19.90 cm3/mol   
20
28.90 cm3/mol   
8
Adjacent Atomic Numbers
  
  
Previous Element
Europium
  
Samarium
  
Next Element
Terbium
  
Gadolinium
  
Valence Electron Potential
46.10 (-eV)   
34
45.60 (-eV)   
35
Lattice Constant
363.60 pm   
32
458.10 pm   
17
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.59   
9
Not Available   
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