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Atomic Structure of Holmium and Europium

Holmium
Europium
Atomic Structure of Europium and Holmium


Atomic Properties
Atomic Number
67   
99+
63   
99+
Electron Configuration
[Xe] 4f11 6s2   
[Xe] 4f7 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Holmium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
67   
99+
63   
99+
Number of Neutrons
98   
34
89   
38
Number of Electrons
67   
99+
63   
99+
Radius of an Atom
  
  
Atomic Radius
176.00 pm   
18
180.00 pm   
14
Covalent Radius
192.00 pm   
17
198.00 pm   
13
Van der Waals Radius
216.00 pm   
24
233.00 pm   
18
Atomic Weight
164.93 amu   
99+
151.96 amu   
99+
Atomic Volume
18.70 cm3/mol   
24
28.90 cm3/mol   
8
Adjacent Atomic Numbers
  
  
Previous Element
Dysprosium
  
Samarium
  
Next Element
Erbium
  
Gadolinium
  
Valence Electron Potential
47.90 (-eV)   
31
45.60 (-eV)   
35
Lattice Constant
357.73 pm   
38
458.10 pm   
17
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.57   
17
Not Available   
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