Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Atomic Structure of Cesium and Thulium


Atomic Structure of Thulium and Cesium


Atomic Properties

Atomic Number
55   
99+
69   
99+

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

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

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

Atom
  
  

Number of Protons
55   
99+
69   
99+

Number of Neutrons
78   
99+
100   
32

Number of Electrons
55   
99+
69   
99+

Radius of an Atom
  
  

Atomic Radius
265.00 pm   
1
176.00 pm   
18

Covalent Radius
244.00 pm   
2
160.00 pm   
30

Van der Waals Radius
343.00 pm   
2
Not Available   

Atomic Weight
132.91 amu   
99+
168.93 amu   
99+

Atomic Volume
71.07 cm3/mol   
1
18.10 cm3/mol   
28

Adjacent Atomic Numbers
  
  

Previous Element
Tin
  
Erbium
  

Next Element
Barium
  
Ytterbium
  

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

Lattice Constant
614.10 pm   
5
353.75 pm   
40

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

Lattice C/A Ratio
Not Available   
1.57   
17

Mechanical >>
<< Chemical

Compare All Metals

All Metals

All Metals


Compare All Metals