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Atomic Structure of Holmium and Ruthenium

Holmium
Ruthenium
Atomic Structure of Ruthenium and Holmium


Atomic Properties
Atomic Number
67   
99+
44   
99+
Electron Configuration
[Xe] 4f11 6s2   
[Kr] 4d7 5s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Holmium.jpg#100   
rystal-Structure-of-Ruthenium.jpg#100   
Atom
  
  
Number of Protons
67   
99+
44   
99+
Number of Neutrons
98   
34
57   
99+
Number of Electrons
67   
99+
44   
99+
Radius of an Atom
  
  
Atomic Radius
176.00 pm   
18
134.00 pm   
99+
Covalent Radius
192.00 pm   
17
146.00 pm   
38
Van der Waals Radius
216.00 pm   
24
200.00 pm   
28
Atomic Weight
164.93 amu   
99+
101.07 amu   
99+
Atomic Volume
18.70 cm3/mol   
24
8.30 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Dysprosium
  
Technetium
  
Next Element
Erbium
  
Rhodium
  
Valence Electron Potential
47.90 (-eV)   
31
64.00 (-eV)   
22
Lattice Constant
357.73 pm   
38
270.59 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.57   
17
1.58   
11
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