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Atomic Structure of Gadolinium and Holmium

Gadolinium
Holmium
Atomic Structure of Holmium and Gadolinium


Atomic Properties
Atomic Number
64   
99+
67   
99+
Electron Configuration
[Xe] 4f7 5d1 6s2   
[Xe] 4f11 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Gadolinium.jpg#100   
HCP-Crystal-Structure-of-Holmium.jpg#100   
Atom
  
  
Number of Protons
64   
99+
67   
99+
Number of Neutrons
93   
37
98   
34
Number of Electrons
64   
99+
67   
99+
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
176.00 pm   
18
Covalent Radius
196.00 pm   
14
192.00 pm   
17
Van der Waals Radius
237.00 pm   
15
216.00 pm   
24
Atomic Weight
47.87 amu   
99+
164.93 amu   
99+
Atomic Volume
19.90 cm3/mol   
20
18.70 cm3/mol   
24
Adjacent Atomic Numbers
  
  
Previous Element
Europium
  
Dysprosium
  
Next Element
Terbium
  
Erbium
  
Valence Electron Potential
46.10 (-eV)   
34
47.90 (-eV)   
31
Lattice Constant
363.60 pm   
32
357.73 pm   
38
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.59   
9
1.57   
17
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