The Periodic Table of Elements
13
Al
Aluminum
26.9815386(8) amu
Additional Information:
| State | Group Block | Density | Atomic Radius | Electron Affinity | Ionization Energy | Melting Point | Boiling Point | Year Discovered |
|---|---|---|---|---|---|---|---|---|
| solid | metal | 2.7 kg/L | 118 pm | -43 | 578 kJ/mol | 933 °K | 2792 °K | Ancient |
