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Periodic Table

Picture of  Thulium
 
 

 Atomic No. Order:
[Picture]

 Alphabetic Order:
 

Thulium  
Ground State Electron Configuration of  Thulium
Symbol: Tm
Atomic Number: 69
Atomicmass: 168.93 g.mol -1
Electronegative (According to Pauling): 1.2
Density: 9.3 g.cm-3 at 20°C
Melting Point: 1545 °C
Boiling Point: 1947 °C
Venderwaals Radius: unknown
Ionic Radius: unknown
Isotopes: 5
Electronic Shell: [ Xe ] 4f13 6s2
Energy Of First Ionization: 595.3 kJ.mol -1  

69

No of Protons
Standard Potential: - 2.28 V

Electron in Full Shell
Discoverd By: Discovered by Theodore Cleve in 1879

Electron in Partial Shell
   
 
 

 
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