Chemical Properties of Hafnium and Beryllium
Chemical Properties
Chemical Formula
Hf
Be
Isotopes
Known Isotopes
32
7
9
29
Electronegativity
Pauling Electronegativity
1.30
32
1.57
24
Sanderson Electronegativity
Not Available
1.81
12
Allred Rochow Electronegativity
1.23
25
1.47
14
Mulliken-Jaffe Electronegativity
Not Available
1.54
12
Allen Electronegativity
1.16
37
1.58
23
Electropositivity
Pauling Electropositivity
2.70
22
2.43
30
Ionization Energies
1st Energy Level
658.50 kJ/mol
40
899.50 kJ/mol
7
2nd Energy Level
1,440.00 kJ/mol
99+
1,757.10 kJ/mol
23
3rd Energy Level
2,250.00 kJ/mol
99+
14,848.70 kJ/mol
2
4th Energy Level
3,216.00 kJ/mol
99+
21,006.60 kJ/mol
2
Electrochemical Equivalent
1.66 g/amp-hr
99+
0.17 g/amp-hr
99+
Electron Work Function
3.90 eV
27
4.98 eV
6
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Corrosion, Ionization, Radioactive Isotopes
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