Compare chemical elements
All chemical elements
|
Boron
✕
|
| Symbol |
B |
| Atomic number |
5 |
| Chemical property |
Metalloid |
| Origin o the name |
borax, a mineral |
| Group |
13 |
| Period |
2 |
| Atomic weight (u) |
10.81 |
| Atomic weight uncertainty (u) |
0 |
| Density (g/cm³) |
2.34 |
| Melting point (K) |
2349 |
| Boiling point (K) |
4200 |
| Heat capacity (J/(g·K)) |
1.026 |
| Electro-negativity |
2.04 |
| Abundance in earth's crust (mg/kg) |
10 |