Chemical Properties of Uranium and Hafnium
Chemical Properties
Chemical Formula
U
Hf
Isotopes
Known Isotopes
25
14
32
7
Electronegativity
Pauling Electronegativity
1.38
28
1.30
32
Allred Rochow Electronegativity
1.22
26
1.23
25
Allen Electronegativity
Not Available
1.16
37
Electropositivity
Pauling Electropositivity
2.62
26
2.70
22
Ionization Energies
1st Energy Level
597.60 kJ/mol
99+
658.50 kJ/mol
40
2nd Energy Level
1,420.00 kJ/mol
99+
1,440.00 kJ/mol
99+
3rd Energy Level
1,900.00 kJ/mol
99+
2,250.00 kJ/mol
99+
4th Energy Level
3,145.00 kJ/mol
99+
3,216.00 kJ/mol
99+
Electrochemical Equivalent
1.48 g/amp-hr
99+
1.66 g/amp-hr
99+
Electron Work Function
3.63 eV
30
3.90 eV
27
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
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