Element 73
Tantalum (Ta)
73
Ta
tantalum
Metal · d block · group 5, period 6
- Electron configuration
- Unpaired electrons
- 3 (paramagnetic)
- Molar mass
- 180.95 g/mol
- Electronegativity
- 1.5
- Atomic radius
- 146 pm
- First ionization energy
- 761 kJ/mol
- Next ionization energies
- 1,500
- Electron affinity
- 31 kJ/mol released
Practice
Practice tantalum
No course questions are about tantalum specifically, but these lessons cover what you need.