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Atomic Structure of Thulium and Rubidium


Atomic Structure of Rubidium and Thulium


Atomic

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  
33
48  
99+

Number of Electrons
69  
99+
37  
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm  
20
248.00 pm  
3

Covalent Radius
160.00 pm  
32
220.00 pm  
4

Van der Waals Radius
227.00 pm  
26
303.00 pm  
4

Atomic Weight
168.93 amu  
99+
85.47 amu  
99+

Atomic Volume
18.10 cm3/mol  
40
55.90 cm3/mol  
3

Adjacent Atomic Numbers
  
  

Previous Element
Erbium
  
Gallium
  

Next Element
Ytterbium
  
Strontium
  

Valence Electron Potential
49.70 (-eV)  
29
9.47 (-eV)  
99+

Lattice Constant
353.75 pm  
99+
558.50 pm  
11

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

Lattice C/A Ratio
1.57  
40
1.59  
28

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