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Kimia Properties saka Samarium lan Protaktinium

Samarium
Protaktinium
Kimia Properties saka Protaktinium lan Samarium


Kimia Properties
Formula Kimia
Sm   
Pa   
isotop
  
  
Isotop dikenal
30   
9
27   
12
keelektronegatifan
  
  
Pauling Elektronegativitas
1.17   
40
1.50   
27
Allred Rochow Elektronegativitas
1.07   
32
1.14   
28
Electropositivity
  
  
Pauling Electropositivity
2.83   
14
2.50   
27
tenogo ionisasi
  
  
Level Energy 1st
544.50 kJ / mol   
99+
568.00 kJ / mol   
99+
Level Energy 2
1,070.00 kJ / mol   
99+
1,128.00 kJ / mol   
99+
Level Energy 3rd
2,260.00 kJ / mol   
99+
1,814.00 kJ / mol   
99+
Level Energy 4
3,990.00 kJ / mol   
37
2,991.00 kJ / mol   
99+
padha karo elektrokimia
1.87 g / amp-day   
34
1.72 g / amp-day   
99+
Fungsi Work elektron
2.70 eV   
99+
ora Sumadhiya   
Properties Kimia liyane
ionisasi, Isotop radioaktif   
ionisasi, Isotop radioaktif, Radioaktif   
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