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Atomic Structure of Holmium and Thallium

Holmium
Thallium
Atomic Structure of Thallium and Holmium


Atomic Properties
Atomic Number
67   
99+
81   
35
Electron Configuration
[Xe] 4f11 6s2   
[Xe] 4f14 5d10 6s2 6p1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Holmium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
67   
99+
81   
35
Number of Neutrons
98   
34
123   
20
Number of Electrons
67   
99+
81   
35
Radius of an Atom
  
  
Atomic Radius
176.00 pm   
18
170.00 pm   
22
Covalent Radius
192.00 pm   
17
145.00 pm   
39
Van der Waals Radius
216.00 pm   
24
196.00 pm   
30
Atomic Weight
164.93 amu   
99+
204.38 amu   
31
Atomic Volume
18.70 cm3/mol   
24
17.20 cm3/mol   
31
Adjacent Atomic Numbers
  
  
Previous Element
Dysprosium
  
Mercury
  
Next Element
Erbium
  
Lead
  
Valence Electron Potential
47.90 (-eV)   
31
9.60 (-eV)   
99+
Lattice Constant
357.73 pm   
38
345.66 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
1.60   
6
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