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Chemical Properties of Hafnium and Rubidium

Hafnium
Rubidium
Chemical Properties of Rubidium and Hafnium


Chemical Properties
Chemical Formula
Hf   
Rb   
Isotopes
  
  
Known Isotopes
32   
7
29   
10
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
0.82   
99+
Sanderson Electronegativity
Not Available   
0.31   
32
Allred Rochow Electronegativity
1.23   
25
0.89   
40
Mulliken-Jaffe Electronegativity
Not Available   
0.69   
24
Allen Electronegativity
1.16   
37
0.71   
99+
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
3.18   
3
Ionization Energies
  
  
1st Energy Level
658.50 kJ/mol   
40
403.00 kJ/mol   
99+
2nd Energy Level
1,440.00 kJ/mol   
99+
2,633.00 kJ/mol   
6
3rd Energy Level
2,250.00 kJ/mol   
99+
3,860.00 kJ/mol   
11
4th Energy Level
3,216.00 kJ/mol   
99+
5,080.00 kJ/mol   
18
5th Energy Level
Not Available   
6,850.00 kJ/mol   
19
6th Energy Level
Not Available   
8,140.00 kJ/mol   
20
7th Energy level
Not Available   
9,570.00 kJ/mol   
20
8th Energy Level
Not Available   
13,120.00 kJ/mol   
17
9th Energy Level
Not Available   
14,500.00 kJ/mol   
18
10th Energy Level
Not Available   
26,740.00 kJ/mol   
6
Electrochemical Equivalent
1.66 g/amp-hr   
99+
3.19 g/amp-hr   
14
Electron Work Function
3.90 eV   
27
2.16 eV   
99+
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
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