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Atomic Structure of Thulium and Rubidium


Atomic Structure of Rubidium and Thulium


Atomic Properties

Atomic Number
69   
99+
37   
99+

Electron Configuration
[Xe] 4f13 6s2   
[Kr] 5s1   

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+
37   
99+

Number of Neutrons
100   
32
48   
99+

Number of Electrons
69   
99+
37   
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
248.00 pm   
2

Covalent Radius
160.00 pm   
30
220.00 pm   
4

Van der Waals Radius
Not Available   
303.00 pm   
3

Atomic Weight
168.93 amu   
99+
85.47 amu   
99+

Atomic Volume
18.10 cm3/mol   
28
55.90 cm3/mol   
2

Adjacent Atomic Numbers
  
  

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Erbium
  
Gallium
  

Next Element
Ytterbium
  
Strontium
  

Valence Electron Potential
49.70 (-eV)   
28
9.47 (-eV)   
99+

Lattice Constant
353.75 pm   
40
558.50 pm   
10

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

Lattice C/A Ratio
1.57   
17
Not Available   

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