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Atomic Structure of Terbium and Europium

Terbium
Europium
Atomic Structure of Europium and Terbium


Atomic Properties
Atomic Number
65   
99+
63   
99+
Electron Configuration
[Xe] 4f9 6s2   
[Xe] 4f7 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Terbium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
65   
99+
63   
99+
Number of Neutrons
94   
36
89   
38
Number of Electrons
65   
99+
63   
99+
Radius of an Atom
  
  
Atomic Radius
177.00 pm   
17
180.00 pm   
14
Covalent Radius
194.00 pm   
16
198.00 pm   
13
Van der Waals Radius
221.00 pm   
22
233.00 pm   
18
Atomic Weight
158.93 amu   
99+
151.96 amu   
99+
Atomic Volume
19.20 cm3/mol   
22
28.90 cm3/mol   
8
Adjacent Atomic Numbers
  
  
Previous Element
Gadolinium
  
Samarium
  
Next Element
Dysprosium
  
Gadolinium
  
Valence Electron Potential
46.80 (-eV)   
33
45.60 (-eV)   
35
Lattice Constant
360.10 pm   
36
458.10 pm   
17
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.58   
13
Not Available   
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