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Atomic Structure of Terbium and Dysprosium


Atomic Structure of Dysprosium and Terbium


Atomic Properties

Atomic Number
65   
99+
66   
99+

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

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

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

Atom
  
  

Number of Protons
65   
99+
66   
99+

Number of Neutrons
94   
36
96   
35

Number of Electrons
65   
99+
66   
99+

Radius of an Atom
  
  

Atomic Radius
177.00 pm   
17
178.00 pm   
16

Covalent Radius
194.00 pm   
16
192.00 pm   
17

Van der Waals Radius
221.00 pm   
22
229.00 pm   
20

Atomic Weight
158.93 amu   
99+
162.50 amu   
99+

Atomic Volume
19.20 cm3/mol   
22
19.00 cm3/mol   
23

Adjacent Atomic Numbers
  
  

Previous Element
Gadolinium
  
Terbium
  

Next Element
Dysprosium
  
Holmium
  

Valence Electron Potential
46.80 (-eV)   
33
47.40 (-eV)   
32

Lattice Constant
360.10 pm   
36
359.30 pm   
37

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

Lattice C/A Ratio
1.58   
13
1.57   
15

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