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Kimia Properties saka prometium lan Europium

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Europium
Kimia Properties saka Europium lan prometium


Kimia Properties
Formula Kimia
Pm   
Eu   
isotop
  
  
Isotop dikenal
27   
12
31   
8
keelektronegatifan
  
  
Pauling Elektronegativitas
ora Sumadhiya   
1.20   
39
Sanderson Elektronegativitas
ora Sumadhiya   
1.01   
22
Allred Rochow Elektronegativitas
1.07   
32
ora Sumadhiya   
Electropositivity
  
  
tenogo ionisasi
  
  
Level Energy 1st
540.00 kJ / mol   
99+
547.10 kJ / mol   
99+
Level Energy 2
1,050.00 kJ / mol   
99+
1,085.00 kJ / mol   
99+
Level Energy 3rd
2,150.00 kJ / mol   
99+
2,404.00 kJ / mol   
99+
Level Energy 4
3,970.00 kJ / mol   
38
4,120.00 kJ / mol   
33
padha karo elektrokimia
1.80 g / amp-day   
36
1.89 g / amp-day   
33
Fungsi Work elektron
ora Sumadhiya   
2.50 eV   
99+
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan   
ionisasi, Isotop radioaktif, kelarutan   
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