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Atomic Structure of Dysprosium and Holmium


Atomic Structure of Holmium and Dysprosium


Atomic Properties

Atomic Number
66   
99+
67   
99+

Electron Configuration
[Xe] 4f9 6s2   
[Xe] 4f11 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100   
HCP-Crystal-Structure-of-Holmium.jpg#100   

Atom
  
  

Number of Protons
66   
99+
67   
99+

Number of Neutrons
96   
35
98   
34

Number of Electrons
66   
99+
67   
99+

Radius of an Atom
  
  

Atomic Radius
178.00 pm   
16
176.00 pm   
18

Covalent Radius
192.00 pm   
17
192.00 pm   
17

Van der Waals Radius
229.00 pm   
20
216.00 pm   
24

Atomic Weight
162.50 amu   
99+
164.93 amu   
99+

Atomic Volume
19.00 cm3/mol   
23
18.70 cm3/mol   
24

Adjacent Atomic Numbers
  
  

Previous Element
Terbium
  
Dysprosium
  

Next Element
Holmium
  
Erbium
  

Valence Electron Potential
47.40 (-eV)   
32
47.90 (-eV)   
31

Lattice Constant
359.30 pm   
37
357.73 pm   
38

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
1.57   
15
1.57   
17

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