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Atomic Structure of Dysprosium and Erbium


Atomic Structure of Erbium and Dysprosium


Atomic Properties

Atomic Number
66   
99+
68   
99+

Electron Configuration
[Xe] 4f9 6s2   
[Xe] 4f12 6s2   

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

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

Atom
  
  

Number of Protons
66   
99+
68   
99+

Number of Neutrons
96   
35
99   
33

Number of Electrons
66   
99+
68   
99+

Radius of an Atom
  
  

Atomic Radius
178.00 pm   
16
176.00 pm   
18

Covalent Radius
192.00 pm   
17
189.00 pm   
19

Van der Waals Radius
229.00 pm   
20
Not Available   

Atomic Weight
162.50 amu   
99+
167.26 amu   
99+

Atomic Volume
19.00 cm3/mol   
23
18.40 cm3/mol   
25

Adjacent Atomic Numbers
  
  

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Thulium
  

Valence Electron Potential
47.40 (-eV)   
32
49.00 (-eV)   
29

Lattice Constant
359.30 pm   
37
355.88 pm   
39

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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