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Atomic Structure of Thulium and Dubnium


Atomic Structure of Dubnium and Thulium


Atomic Properties

Atomic Number
69   
99+
105   
13

Electron Configuration
[Xe] 4f13 6s2   
[Rn] 5f14 6d3 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Thulium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
69   
99+
105   
13

Number of Neutrons
100   
32
157   
7

Number of Electrons
69   
99+
105   
13

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
139.00 pm   
39

Covalent Radius
160.00 pm   
30
149.00 pm   
35

Atomic Weight
168.93 amu   
99+
268.00 amu   
10

Atomic Volume
18.10 cm3/mol   
28
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Erbium
  

Next Element
Ytterbium
  
Seaborgium
  

Valence Electron Potential
49.70 (-eV)   
28
Not Available   

Lattice Constant
353.75 pm   
40
Not Available   

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

Lattice C/A Ratio
1.57   
17
Not Available   

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