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Chemical Properties of Rubidium and Tantalum

Rubidium
Tantalum
Chemical Properties of Tantalum and Rubidium


Chemical Properties
Chemical Formula
Rb   
Ta   
Isotopes
  
  
Known Isotopes
29   
10
31   
8
Electronegativity
  
  
Pauling Electronegativity
0.82   
99+
1.50   
27
Sanderson Electronegativity
0.31   
32
Not Available   
Allred Rochow Electronegativity
0.89   
40
1.33   
22
Mulliken-Jaffe Electronegativity
0.69   
24
Not Available   
Allen Electronegativity
0.71   
99+
1.34   
33
Electropositivity
  
  
Pauling Electropositivity
3.18   
3
2.50   
27
Ionization Energies
  
  
1st Energy Level
403.00 kJ/mol   
99+
761.00 kJ/mol   
18
2nd Energy Level
2,633.00 kJ/mol   
6
1,500.00 kJ/mol   
40
3rd Energy Level
3,860.00 kJ/mol   
11
Not Available   
4th Energy Level
5,080.00 kJ/mol   
18
Not Available   
5th Energy Level
6,850.00 kJ/mol   
19
Not Available   
6th Energy Level
8,140.00 kJ/mol   
20
Not Available   
7th Energy level
9,570.00 kJ/mol   
20
Not Available   
8th Energy Level
13,120.00 kJ/mol   
17
Not Available   
9th Energy Level
14,500.00 kJ/mol   
18
Not Available   
10th Energy Level
26,740.00 kJ/mol   
6
Not Available   
Electrochemical Equivalent
3.19 g/amp-hr   
14
1.35 g/amp-hr   
99+
Electron Work Function
2.16 eV   
99+
4.25 eV   
21
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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