Home
Compare Metals
Transition Metals
Actinide Metals
Lanthanide Metals
Post-Transition Metals
Alkaline Earth Metals
Alkali Metals
Ad
Chemical Properties of Actinium and Tantalum
f
Actinium
Tantalum
Chemical Properties of Tantalum and Actinium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Chemical Properties
Chemical Formula
Ac
Ta
Isotopes
Known Isotopes
29
10
31
8
Electronegativity
Pauling Electronegativity
1.10
99+
1.50
27
Allred Rochow Electronegativity
1.00
36
1.33
22
Allen Electronegativity
Not Available
1.34
33
Electropositivity
Pauling Electropositivity
2.90
10
2.50
27
Ionization Energies
1st Energy Level
499.00 kJ/mol
99+
761.00 kJ/mol
18
2nd Energy Level
1,170.00 kJ/mol
99+
1,500.00 kJ/mol
40
3rd Energy Level
1,900.00 kJ/mol
99+
Not Available
4th Energy Level
4,700.00 kJ/mol
23
Not Available
Electrochemical Equivalent
2.82 g/amp-hr
18
1.35 g/amp-hr
99+
Electron Work Function
Not Available
4.25 eV
21
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Atomic >>
<< Physical
Compare Actinide Series
Actinium vs Nobelium
Actinium vs Berkelium
Actinium vs Protactinium
Actinide Metals
Neptunium
Americium
Lawrencium
Curium
Nobelium
Protactinium
Actinide Metals
Berkelium
Periodi...
|
Facts
|
Uses
|
Physical
Mendelevium
Periodi...
|
Facts
|
Uses
|
Physical
Fermium
Periodi...
|
Facts
|
Uses
|
Physical
» More Actinide Metals
Compare Actinide Series
Tantalum vs Americium
Periodi...
|
Facts
|
Uses
|
Physical
Tantalum vs Curium
Periodi...
|
Facts
|
Uses
|
Physical
Tantalum vs Lawrencium
Periodi...
|
Facts
|
Uses
|
Physical
» More Compare Actinide Series