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Atomic Structure of Ruthenium and Holmium

Ruthenium
Holmium
Atomic Structure of Holmium and Ruthenium


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