Element 56
Barium (Ba)
56
Ba
barium
Metal · s block · group 2, period 6
- Electron configuration
- Unpaired electrons
- 0 (diamagnetic)
- Valence electrons
- 2
- Molar mass
- 137.33 g/mol
- Electronegativity
- 0.89
- Atomic radius
- 222 pm
- First ionization energy
- 503 kJ/mol
- Next ionization energies
- 965
- Electron affinity
- 14 kJ/mol released
Practice
Practice barium
No course questions are about barium specifically, but these lessons cover what you need.