Compare chemical elements
All chemical elements
|
Barium
✕
|
| Symbol |
Ba |
| Atomic number |
56 |
| Chemical property |
Alkaline earth metal |
| Origin o the name |
the Greek barys, 'heavy' |
| Group |
2 |
| Period |
6 |
| Atomic weight (u) |
137.327 |
| Atomic weight uncertainty (u) |
0.007 |
| Density (g/cm³) |
3.594 |
| Melting point (K) |
1000 |
| Boiling point (K) |
2170 |
| Heat capacity (J/(g·K)) |
0.204 |
| Electro-negativity |
0.89 |
| Abundance in earth's crust (mg/kg) |
425 |